  Started by timer
  Running as SYSTEM
  [EnvInject] - Loading node environment variables.
  Building remotely on prd-ubuntu1804-builder-4c-4g-405 (ubuntu1804-builder-4c-4g) in workspace /w/workspace/usecase-ui-intent-analysis-sonar
  The recommended git tool is: NONE
  using credential onap-jenkins-ssh
  Wiping out workspace first.
  Cloning the remote Git repository
  Cloning repository git://cloud.onap.org/mirror/usecase-ui/intent-analysis
   > git init /w/workspace/usecase-ui-intent-analysis-sonar # timeout=10
  Fetching upstream changes from git://cloud.onap.org/mirror/usecase-ui/intent-analysis
   > git --version # timeout=10
   > git --version # 'git version 2.17.1'
  using GIT_SSH to set credentials Gerrit user
  Verifying host key using manually-configured host key entries
   > git fetch --tags --progress -- git://cloud.onap.org/mirror/usecase-ui/intent-analysis +refs/heads/*:refs/remotes/origin/* # timeout=10
   > git config remote.origin.url git://cloud.onap.org/mirror/usecase-ui/intent-analysis # timeout=10
   > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
  Avoid second fetch
   > git rev-parse refs/remotes/origin/master^{commit} # timeout=10
  Checking out Revision b5b43476c88a3fdd9e356ce1e57adf7144b216bf (refs/remotes/origin/master)
   > git config core.sparsecheckout # timeout=10
   > git checkout -f b5b43476c88a3fdd9e356ce1e57adf7144b216bf # timeout=10
  Commit message: "Chore: Add dependabot config"
   > git rev-list --no-walk b5b43476c88a3fdd9e356ce1e57adf7144b216bf # timeout=10
  Run condition [Boolean condition] enabling prebuild for step [BuilderChain]
  Run condition [Not] preventing prebuild for step [BuilderChain]
  [usecase-ui-intent-analysis-sonar] $ /bin/bash /tmp/jenkins1875767869495982462.sh
  ---> python-tools-install.sh
  Setup pyenv:
  * system (set by /opt/pyenv/version)
  * 3.8.13 (set by /opt/pyenv/version)
  * 3.9.13 (set by /opt/pyenv/version)
  * 3.10.6 (set by /opt/pyenv/version)
  lf-activate-venv(): INFO: Creating python3 venv at /tmp/venv-6mgT
  lf-activate-venv(): INFO: Save venv in file: /tmp/.os_lf_venv
  lf-activate-venv(): INFO: Installing base packages (pip, setuptools, virtualenv)
  lf-activate-venv(): INFO: Attempting to install with network-safe options...
  lf-activate-venv(): INFO: Base packages installed successfully
  lf-activate-venv(): INFO: Installing additional packages: lftools 
  lf-activate-venv(): INFO: Adding /tmp/venv-6mgT/bin to PATH
  Generating Requirements File
  ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
  httplib2 0.30.2 requires pyparsing<4,>=3.0.4, but you have pyparsing 2.4.7 which is incompatible.
  Python 3.10.6
  pip 26.0.1 from /tmp/venv-6mgT/lib/python3.10/site-packages/pip (python 3.10)
  appdirs==1.4.4
  argcomplete==3.6.3
  aspy.yaml==1.3.0
  attrs==25.4.0
  autopage==0.6.0
  backports.strenum==1.3.1
  beautifulsoup4==4.14.3
  boto3==1.42.59
  botocore==1.42.59
  bs4==0.0.2
  certifi==2026.2.25
  cffi==2.0.0
  cfgv==3.5.0
  chardet==6.0.0.post1
  charset-normalizer==3.4.4
  click==8.3.1
  cliff==4.13.2
  cmd2==3.2.2
  cryptography==3.3.2
  debtcollector==3.0.0
  decorator==5.2.1
  defusedxml==0.7.1
  Deprecated==1.3.1
  distlib==0.4.0
  dnspython==2.8.0
  docker==7.1.0
  dogpile.cache==1.5.0
  durationpy==0.10
  email-validator==2.3.0
  filelock==3.24.3
  future==1.0.0
  gitdb==4.0.12
  GitPython==3.1.46
  httplib2==0.30.2
  identify==2.6.16
  idna==3.11
  importlib-resources==1.5.0
  iso8601==2.1.0
  Jinja2==3.1.6
  jmespath==1.1.0
  jsonpatch==1.33
  jsonpointer==3.0.0
  jsonschema==4.26.0
  jsonschema-specifications==2025.9.1
  keystoneauth1==5.13.1
  kubernetes==35.0.0
  lftools==0.37.21
  lxml==6.0.2
  markdown-it-py==4.0.0
  MarkupSafe==3.0.3
  mdurl==0.1.2
  msgpack==1.1.2
  multi_key_dict==2.0.3
  munch==4.0.0
  netaddr==1.3.0
  niet==1.4.2
  nodeenv==1.10.0
  oauth2client==4.1.3
  oauthlib==3.3.1
  openstacksdk==4.10.0
  os-service-types==1.8.2
  osc-lib==4.4.0
  oslo.config==10.3.0
  oslo.context==6.3.0
  oslo.i18n==6.7.2
  oslo.log==8.1.0
  oslo.serialization==5.9.1
  oslo.utils==10.0.0
  packaging==26.0
  pbr==7.0.3
  platformdirs==4.9.2
  prettytable==3.17.0
  psutil==7.2.2
  pyasn1==0.6.2
  pyasn1_modules==0.4.2
  pycparser==3.0
  pygerrit2==2.0.15
  PyGithub==2.8.1
  Pygments==2.19.2
  PyJWT==2.11.0
  PyNaCl==1.6.2
  pyparsing==2.4.7
  pyperclip==1.11.0
  pyrsistent==0.20.0
  python-cinderclient==9.8.0
  python-dateutil==2.9.0.post0
  python-discovery==1.1.0
  python-heatclient==5.1.0
  python-jenkins==1.8.3
  python-keystoneclient==5.8.0
  python-magnumclient==4.10.0
  python-openstackclient==9.0.0
  python-swiftclient==4.10.0
  PyYAML==6.0.3
  referencing==0.37.0
  requests==2.32.5
  requests-oauthlib==2.0.0
  requestsexceptions==1.4.0
  rfc3986==2.0.0
  rich==14.3.3
  rich-argparse==1.7.2
  rpds-py==0.30.0
  rsa==4.9.1
  ruamel.yaml==0.19.1
  ruamel.yaml.clib==0.2.15
  s3transfer==0.16.0
  simplejson==3.20.2
  six==1.17.0
  smmap==5.0.2
  soupsieve==2.8.3
  stevedore==5.7.0
  tabulate==0.9.0
  toml==0.10.2
  tomlkit==0.14.0
  tqdm==4.67.3
  typing_extensions==4.15.0
  urllib3==1.26.20
  virtualenv==21.1.0
  wcwidth==0.6.0
  websocket-client==1.9.0
  wrapt==2.1.1
  xdg==6.0.0
  xmltodict==1.0.4
  yq==3.4.3
  [Boolean condition] checking [true] against [^(1|y|yes|t|true|on|run)$] (origin token: true)
  Run condition [Boolean condition] enabling perform for step [BuilderChain]
  [usecase-ui-intent-analysis-sonar] $ /bin/sh -xe /tmp/jenkins18419339857547209181.sh
  + echo Using SonarCloud
  Using SonarCloud
  [usecase-ui-intent-analysis-sonar] $ /bin/sh -xe /tmp/jenkins1768286789481363840.sh
  + echo quiet=on
  Unpacking https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.5.4/apache-maven-3.5.4-bin.zip to /w/tools/hudson.tasks.Maven_MavenInstallation/mvn35 on prd-ubuntu1804-builder-4c-4g-405
  [usecase-ui-intent-analysis-sonar] $ /w/tools/hudson.tasks.Maven_MavenInstallation/mvn35/bin/mvn -DGERRIT_BRANCH=master -DPROJECT=usecase-ui/intent-analysis -DMVN=/w/tools/hudson.tasks.Maven_MavenInstallation/mvn35/bin/mvn -DSTREAM=master "-DARCHIVE_ARTIFACTS=**/*.log **/hs_err_*.log **/target/**/feature.xml **/target/failsafe-reports/failsafe-summary.xml **/target/surefire-reports/*-output.txt
  " -DJAVA_OPTS= -DGERRIT_PROJECT=usecase-ui/intent-analysis -Dsha1=origin/master "-DMAVEN_OPTS=-Xmx1024m -XX:MaxMetaspaceSize=256m" -DGERRIT_REFSPEC=refs/heads/master -DM2_HOME=/w/tools/hudson.tasks.Maven_MavenInstallation/mvn35 -DMAVEN_PARAMS= -DSONAR_MAVEN_GOAL=org.sonarsource.scanner.maven:sonar-maven-plugin:3.9.1.2184:sonar --version
  Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z)
  Maven home: /w/tools/hudson.tasks.Maven_MavenInstallation/mvn35
  Java version: 11.0.16, vendor: Ubuntu, runtime: /usr/lib/jvm/java-11-openjdk-amd64
  Default locale: en, platform encoding: UTF-8
  OS name: "linux", version: "4.15.0-194-generic", arch: "amd64", family: "unix"
  [usecase-ui-intent-analysis-sonar] $ /bin/sh -xe /tmp/jenkins11712946236412404961.sh
  + rm /home/jenkins/.wgetrc
  [EnvInject] - Injecting environment variables from a build step.
  [EnvInject] - Injecting as environment variables the properties content 
  SET_JDK_VERSION=openjdk17
  GIT_URL="git://cloud.onap.org/mirror"
  
  [EnvInject] - Variables injected successfully.
  [usecase-ui-intent-analysis-sonar] $ /bin/sh /tmp/jenkins1074441828672472034.sh
  ---> update-java-alternatives.sh
  ---> Updating Java version
  ---> Ubuntu/Debian system detected
  update-alternatives: using /usr/lib/jvm/java-17-openjdk-amd64/bin/java to provide /usr/bin/java (java) in manual mode
  update-alternatives: using /usr/lib/jvm/java-17-openjdk-amd64/bin/javac to provide /usr/bin/javac (javac) in manual mode
  update-alternatives: using /usr/lib/jvm/java-17-openjdk-amd64 to provide /usr/lib/jvm/java-openjdk (java_sdk_openjdk) in manual mode
  openjdk version "17.0.4" 2022-07-19
  OpenJDK Runtime Environment (build 17.0.4+8-Ubuntu-118.04)
  OpenJDK 64-Bit Server VM (build 17.0.4+8-Ubuntu-118.04, mixed mode, sharing)
  JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
  [EnvInject] - Injecting environment variables from a build step.
  [EnvInject] - Injecting as environment variables the properties file path '/tmp/java.env'
  [EnvInject] - Variables injected successfully.
  [EnvInject] - Injecting environment variables from a build step.
  [EnvInject] - Injecting as environment variables the properties content 
  MAVEN_GOALS=clean install
  SONARCLOUD_JAVA_VERSION=openjdk17
  SONARCLOUD_QUALITYGATE_WAIT=False
  SCAN_DEV_BRANCH=False
  PROJECT_ORGANIZATION=onap
  SONAR_HOST_URL=https://sonarcloud.io
  PROJECT_KEY=onap_usecase-ui-intent-analysis
  
  [EnvInject] - Variables injected successfully.
  provisioning config files...
  copy managed file [global-settings] to file:/w/workspace/usecase-ui-intent-analysis-sonar@tmp/config4847148557472271321tmp
  copy managed file [usecase-ui-intent-analysis-settings] to file:/w/workspace/usecase-ui-intent-analysis-sonar@tmp/config15428941787834315746tmp
  [usecase-ui-intent-analysis-sonar] $ /bin/bash -l /tmp/jenkins12007615441708332972.sh
  ---> common-variables.sh
  --show-version --batch-mode -Djenkins -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn -Dmaven.repo.local=/tmp/r -Dorg.ops4j.pax.url.mvn.localRepository=/tmp/r
  ---> maven-sonar.sh
  + set +u
  + export MAVEN_OPTS
  + declare -a params
  + params+=("--global-settings $GLOBAL_SETTINGS_FILE")
  + params+=("--settings $SETTINGS_FILE")
  + _JAVA_OPTIONS=
  + /w/tools/hudson.tasks.Maven_MavenInstallation/mvn35/bin/mvn clean install -e -Dsonar --global-settings /w/workspace/usecase-ui-intent-analysis-sonar@tmp/config4847148557472271321tmp --settings /w/workspace/usecase-ui-intent-analysis-sonar@tmp/config15428941787834315746tmp --show-version --batch-mode -Djenkins -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn -Dmaven.repo.local=/tmp/r -Dorg.ops4j.pax.url.mvn.localRepository=/tmp/r
  Picked up _JAVA_OPTIONS: 
  Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z)
  Maven home: /w/tools/hudson.tasks.Maven_MavenInstallation/mvn35
  Java version: 17.0.4, vendor: Private Build, runtime: /usr/lib/jvm/java-17-openjdk-amd64
  Default locale: en, platform encoding: UTF-8
  OS name: "linux", version: "4.15.0-194-generic", arch: "amd64", family: "unix"
  [INFO] Error stacktraces are turned on.
  [INFO] Scanning for projects...
  [WARNING] 
  [WARNING] Some problems were encountered while building the effective model for org.onap.usecase-ui.intent-analysis:usecase-ui.intent-analysis:jar:16.0.1-SNAPSHOT
  [WARNING] 'build.plugins.plugin.version' for org.jacoco:jacoco-maven-plugin is missing. @ line 339, column 21
  [WARNING] 
  [WARNING] Some problems were encountered while building the effective model for org.onap.usecase-ui.intent-analysis:standalone:jar:16.0.1-SNAPSHOT
  [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-resources-plugin is missing. @ line 55, column 21
  [WARNING] 
  [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
  [WARNING] 
  [WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
  [WARNING] 
  [INFO] ------------------------------------------------------------------------
  [INFO] Reactor Build Order:
  [INFO] 
  [INFO] usecase-ui-intent-analysis-parent                                  [pom]
  [INFO] checkstyle                                                         [jar]
  [INFO] intent-analysis                                                    [jar]
  [INFO] standalone                                                         [jar]
  [INFO] 
  [INFO] --< org.onap.usecase-ui.intent-analysis:usecase-ui-intent-analysis-parent >--
  [INFO] Building usecase-ui-intent-analysis-parent 16.0.1-SNAPSHOT         [1/4]
  [INFO] --------------------------------[ pom ]---------------------------------
  [INFO] 
  [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ usecase-ui-intent-analysis-parent ---
  [INFO] 
  [INFO] --- maven-install-plugin:2.4:install (default-install) @ usecase-ui-intent-analysis-parent ---
  [INFO] Installing /w/workspace/usecase-ui-intent-analysis-sonar/pom.xml to /tmp/r/org/onap/usecase-ui/intent-analysis/usecase-ui-intent-analysis-parent/16.0.1-SNAPSHOT/usecase-ui-intent-analysis-parent-16.0.1-SNAPSHOT.pom
  [INFO] 
  [INFO] -----------< org.onap.usecase-ui.intent-analysis:checkstyle >-----------
  [INFO] Building checkstyle 16.0.1-SNAPSHOT                                [2/4]
  [INFO] --------------------------------[ jar ]---------------------------------
  [INFO] 
  [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ checkstyle ---
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ checkstyle ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] Copying 3 resources
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ checkstyle ---
  [INFO] No sources to compile
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ checkstyle ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] skip non existing resourceDirectory /w/workspace/usecase-ui-intent-analysis-sonar/checkstyle/src/test/resources
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ checkstyle ---
  [INFO] No sources to compile
  [INFO] 
  [INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ checkstyle ---
  [INFO] No tests to run.
  [INFO] 
  [INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ checkstyle ---
  [INFO] Building jar: /w/workspace/usecase-ui-intent-analysis-sonar/checkstyle/target/checkstyle-16.0.1-SNAPSHOT.jar
  [INFO] 
  [INFO] --- maven-install-plugin:2.4:install (default-install) @ checkstyle ---
  [INFO] Installing /w/workspace/usecase-ui-intent-analysis-sonar/checkstyle/target/checkstyle-16.0.1-SNAPSHOT.jar to /tmp/r/org/onap/usecase-ui/intent-analysis/checkstyle/16.0.1-SNAPSHOT/checkstyle-16.0.1-SNAPSHOT.jar
  [INFO] Installing /w/workspace/usecase-ui-intent-analysis-sonar/checkstyle/pom.xml to /tmp/r/org/onap/usecase-ui/intent-analysis/checkstyle/16.0.1-SNAPSHOT/checkstyle-16.0.1-SNAPSHOT.pom
  [INFO] 
  [INFO] ---< org.onap.usecase-ui.intent-analysis:usecase-ui.intent-analysis >---
  [INFO] Building intent-analysis 16.0.1-SNAPSHOT                           [3/4]
  [INFO] --------------------------------[ jar ]---------------------------------
  [INFO] 
  [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ usecase-ui.intent-analysis ---
  [INFO] 
  [INFO] --- jacoco-maven-plugin:0.8.14:prepare-agent (prepare-agent) @ usecase-ui.intent-analysis ---
  [INFO] argLine set to -javaagent:/tmp/r/org/jacoco/org.jacoco.agent/0.8.14/org.jacoco.agent-0.8.14-runtime.jar=destfile=/w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/target/jacoco.exec
  [INFO] 
  [INFO] --- maven-checkstyle-plugin:3.3.1:check (onap-license) @ usecase-ui.intent-analysis ---
  [INFO] Starting audit...
  Audit done.
  [INFO] You have 0 Checkstyle violations.
  [INFO] 
  [INFO] --- maven-checkstyle-plugin:3.3.1:check (onap-java-style) @ usecase-ui.intent-analysis ---
  [INFO] Starting audit...
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.eventAndPublish.event' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:34:5: 'CTOR_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:34:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:35:62: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:40:26: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:40:26: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.eventAndPublish.event' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:31:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:33:23: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.eventAndPublish.listener' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:29:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:29:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:30:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:37:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:38:94: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:39:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:39:70: ';' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:40:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:40:82: ';' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:41:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:42:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:42:27: Local variable name 'owner_info' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [LocalVariableName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:44:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:44:27: Local variable name 'handler_info' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [LocalVariableName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:46:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:47:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:49:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:50:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:51:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:52:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:53:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:54:13: 'method def' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/ObjectType.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/ConditionParentType.java:21:14: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:23:9: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:24:18: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:25:14: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:26:15: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:27:17: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:28:12: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:29:13: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:30:19: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:31:19: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:32:13: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:33:19: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:34:11: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/NotFulfilledReason.java:23: Line is longer than 120 characters (found 138). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/IntentGenerateType.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/ContextParentType.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentEventRecord.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:24:17: Member name 'result_code' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'. [MemberName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:26:20: Member name 'result_message' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'. [MemberName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:31:29: Parameter name 'result_code' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [ParameterName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:31:49: Parameter name 'result_message' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [ParameterName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentInstance.java:21:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentInstance.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'lombok.Data'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:25:26: Member name 'result_header' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'. [MemberName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:26:20: Member name 'result_body' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'. [MemberName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:31:39: Parameter name 'result_header' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [ParameterName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:31:61: Parameter name 'result_body' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [ParameterName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:36:39: Parameter name 'result_header' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [ParameterName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:20:1: Extra separation in import group before 'java.util.Date' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:20:1: Wrong lexicographical order for 'java.util.Date' import. Should be before 'lombok.Data'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'lombok.Data'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Condition.java:22:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Condition.java:22:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.OperatorType'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfo.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfo.java:25:31: ';' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfo.java:27:37: ';' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:19:1: Wrong lexicographical order for 'javax.persistence.*' import. Should be before 'lombok.Data'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:19:25: Using the '.*' form of import should be avoided - javax.persistence.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:20:1: Wrong lexicographical order for 'java.io.Serializable' import. Should be before 'lombok.Data'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:23:12: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:23:12: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:26:14: Abbreviation in name 'CCVPNInstance' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:28:29: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentGoalBean.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentInfo.java:23:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentInfo.java:23:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.NotFulfilledState'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObject.java:21:1: Extra separation in import group before 'lombok.Data' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Context.java:21:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Context.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'lombok.Data'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:23:1: Extra separation in import group before 'java.util.LinkedHashMap' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:23:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:26:14: Abbreviation in name 'CLLAssuranceDecisionModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:33: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:38: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:43: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:23:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:31:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:31:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:32:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:36:14: Abbreviation in name 'CLLAssuranceActuationModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:115: Line is longer than 120 characters (found 146). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:118: Line is longer than 120 characters (found 127). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:127:26: Abbreviation in name 'getCLLId' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceKnowledgeModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceKnowledgeModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceKnowledgeModule.java:26:14: Abbreviation in name 'CLLAssuranceKnowledgeModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:37:1: Extra separation in import group before 'jakarta.annotation.Resource' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:37:1: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:38:1: Wrong lexicographical order for 'java.time.LocalDateTime' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:39:1: Wrong lexicographical order for 'java.util.concurrent.FutureTask' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:44:14: Abbreviation in name 'CLLAssuranceIntentManagementFunction' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:79: Line is longer than 120 characters (found 128). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:84: Line is longer than 120 characters (found 127). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:19: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:21: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:23:13: Abbreviation in name 'createAndDeployModifyCLLPolicy' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:25: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:27: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:29:13: Abbreviation in name 'undeployAndRemoveModifyCLLPolicy' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:32: Line is longer than 120 characters (found 127). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:33: Line is longer than 120 characters (found 121). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:36: Line is longer than 120 characters (found 121). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:38: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/apicall/PolicyAPICall.java:29:18: Abbreviation in name 'PolicyAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/apicall/PolicyAPICall.java:72: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/apicall/PolicyAuthConfig.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationCallback.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationService.java:27:39: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationService.java:31:24: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:24:1: Extra separation in import group before 'com.alibaba.fastjson2.JSONArray' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:24:1: Wrong lexicographical order for 'com.alibaba.fastjson2.JSONArray' import. Should be before 'java.util.LinkedHashMap'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:25:1: Wrong lexicographical order for 'com.alibaba.fastjson2.JSONObject' import. Should be before 'java.util.LinkedHashMap'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:46:27: Abbreviation in name 'policyAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:48:77: ';' is preceded with whitespace. [NoWhitespaceBefore]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:53:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:53:26: Abbreviation in name 'getPolicyAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:61:17: Abbreviation in name 'setPolicyAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:61:48: Abbreviation in name 'policyAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:114: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:131: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:134: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:135: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:136: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:137: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:194: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:197: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:239:45: 'typecast' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:240:9: '}' at column 9 should be on the same line as the next part of a multi-block statement (one that directly contains multiple blocks: if/else-if/else, do/while or try/catch/finally). [RightCurlySame]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:242:45: 'typecast' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/ModifyCLLPolicyConstants.java:19:14: Abbreviation in name 'ModifyCLLPolicyConstants' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/IntentConfigPolicyConstants.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:22:1: Extra separation in import group before 'java.util.Map' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:22:1: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:24:18: Abbreviation in name 'SOService' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:26:9: Abbreviation in name 'createCCVPNInstance' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:21:22: Using the '.*' form of import should be avoided - retrofit2.http.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:23:18: Abbreviation in name 'SOAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:25:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:26:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:33:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:34:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:36:17: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:36:17: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:36:32: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:36:32: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAuthConfig.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAuthConfig.java:26:14: Abbreviation in name 'SOAuthConfig' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:34:1: Wrong lexicographical order for 'java.io.IOException' import. Should be before 'retrofit2.Response'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:35:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'retrofit2.Response'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:36:1: Wrong lexicographical order for 'java.util.HashMap' import. Should be before 'retrofit2.Response'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:37:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'retrofit2.Response'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:38:1: Wrong lexicographical order for 'java.util.Map' import. Should be before 'retrofit2.Response'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:39:1: 'CLASS_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:41:14: Abbreviation in name 'SOServiceImpl' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:55:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:63:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:75:17: Abbreviation in name 'setAAIApiCall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:81:9: WhitespaceAround: 'try' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:81:12: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:82:39: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:87:31: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:92:55: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:92:55: WhitespaceAround: '+' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:96:56: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:97:17: 'if' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:97:17: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:115:9: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:115:10: WhitespaceAround: 'catch' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:126: Line is longer than 120 characters (found 145). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:129: Line is longer than 120 characters (found 132). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:134: Line is longer than 120 characters (found 129). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:148:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:150:42: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:152: Line is longer than 120 characters (found 141). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:169: Line is longer than 120 characters (found 141). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:177: Line is longer than 120 characters (found 121). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:189: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:191: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:192: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:205: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:207: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:208: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationEventEntity.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:49: Line is longer than 120 characters (found 131). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:52:14: Abbreviation in name 'MRTopicMonitor' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:66: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:77: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:96: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:105: Line is longer than 120 characters (found 133). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:115: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:145: Line is longer than 120 characters (found 125). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:148:19: Abbreviation in name 'MRConsumerWrapper' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:165: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:185:51: Abbreviation in name 'MRTopicParams' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:185:51: Parameter name 'MRTopicParams' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [ParameterName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:219: Javadoc comment at column 0 has parse error. Details: no viable alternative at input '         *' while parsing JAVADOC_TAG [AtclauseOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:246: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationEventModel.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:40: Line is longer than 120 characters (found 124). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:63:14: Abbreviation in name 'MRTopicParams' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:179:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:179:33: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:180:9: 'if' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:180:9: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:180:31: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:296:9: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:302:13: Distance between variable 'topic' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:27: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:27: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:32: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:32: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:52: WhitespaceAround: '<' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:52: WhitespaceAround: '<' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:328:60: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:334:46: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationCallback.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationCallback.java:18: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationCallback.java:32:14: Abbreviation in name 'DCAENotificationCallback' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:23:14: Abbreviation in name 'DCAENotificationService' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:28:37: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:32:24: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:24:18: Abbreviation in name 'AAIAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:29:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:30:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:31:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:32:13: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:34: Line is longer than 120 characters (found 164). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAuthConfig.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAuthConfig.java:26:14: Abbreviation in name 'AAIAuthConfig' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/AAIService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/AAIService.java:18:18: Abbreviation in name 'AAIService' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:21:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentManagementFunctionRegInfo'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:25:9: Abbreviation in name 'insertIMFRegInfoRegInfo' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:26:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:27:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ComponentNotificationService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ContextService.java:22:1: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.enums.ContextParentType' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetService.java:22:1: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.models.Expectation' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/IntentReportService.java:22:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/IntentReportService.java:22:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.TimeParam'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ObjectInstanceServiceImpl.java:29:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ObjectInstanceServiceImpl.java:29:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ObjectInstanceServiceImpl.java:30:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:23:1: Extra separation in import group before 'lombok.extern.slf4j.Slf4j' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:37:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Intent' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:38:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:39:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.exception.DataBaseException' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:40:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.IntentMapper' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:41:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:42:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationService' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:43:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:44:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.IntentService' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:177:56: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:179:34: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:181: Line is longer than 120 characters (found 169). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:224: Line is longer than 120 characters (found 137). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:21:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:28:48: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.mapper.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:36:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:36:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:50: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:94: Line is longer than 120 characters (found 137). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:96: Line is longer than 120 characters (found 136). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:23:1: Extra separation in import group before 'lombok.extern.slf4j.Slf4j' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:26:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts' import. Should be before 'org.onap.usecaseui.intentanalysis.service.ConditionService'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:27:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.exception.DataBaseException' import. Should be before 'org.onap.usecaseui.intentanalysis.service.ConditionService'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:30:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.enums.ContextParentType' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:31:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationTarget' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:32:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ExpectationTargetMapper' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:33:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:34:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationTargetService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:35:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:100: Line is longer than 120 characters (found 123). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:106: Line is longer than 120 characters (found 123). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:130: Line is longer than 120 characters (found 127). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:133: Line is longer than 120 characters (found 125). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:135: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:145: Line is longer than 120 characters (found 132). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:183: Line is longer than 120 characters (found 121). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:23:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.FulfillmentInfo' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:24:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.FulfillmentInfoMapper' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:25:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:26:1: Wrong lexicographical order for 'lombok.extern.slf4j.Slf4j' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentInstanceServiceImpl.java:32:1: Extra separation in import group before 'java.util.Collections' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentInstanceServiceImpl.java:32:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentInstanceServiceImpl.java:33:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:23:1: Extra separation in import group before 'lombok.extern.slf4j.Slf4j' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:25:1: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.enums.ConditionParentType' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:29:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Context' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:30:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ContextMapper' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:31:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:32:1: Wrong lexicographical order for 'org.springframework.beans.factory.annotation.Autowired' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:33:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ConditionService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:32:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:32:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:33:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:56:53: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:57: Line is longer than 120 characters (found 172). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:71:13: 'if' construct must use '{}'s. [NeedBraces]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:83: Line is longer than 120 characters (found 132). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:83:120: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:84:26: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:20:1: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.models.Condition' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:29:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:29:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:30:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:23:1: Extra separation in import group before 'lombok.extern.slf4j.Slf4j' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:26:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.enums.ContextParentType' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:27:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Expectation' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:28:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:29:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.exception.DataBaseException' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:30:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ExpectationMapper' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:31:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:32:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:33:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationObjectService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:34:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationTargetService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:35:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:150: Line is longer than 120 characters (found 137). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:151: Line is longer than 120 characters (found 142). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:152: Line is longer than 120 characters (found 123). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:153: Line is longer than 120 characters (found 142). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:26:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.TimeParam' import. Should be before 'org.onap.usecaseui.intentanalysis.common.ResponseConsts'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:40:1: Extra separation in import group before 'java.util.Collections' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:40:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:41:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:42:1: Wrong lexicographical order for 'java.util.StringJoiner' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:43:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:45:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:87: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:131: Line is longer than 120 characters (found 133). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:138:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:139: Line is longer than 120 characters (found 129). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:146:20: Abbreviation in name 'convertToCSV' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:201: Line is longer than 120 characters (found 144). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:21:1: Extra separation in import group before 'lombok.extern.slf4j.Slf4j' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:28:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationObject' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:29:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Context' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:30:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ExpectationObjectMapper' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:31:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:32:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationObjectService' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:56: Line is longer than 120 characters (found 128). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:74:9: 'if' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:74:9: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:74:53: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ConditionService.java:22:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/service/ConditionService.java:22:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Condition'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:20:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:25:47: Using the '.*' form of import should be avoided - org.springframework.web.bind.annotation.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:27:1: Extra separation in import group before 'java.nio.charset.StandardCharsets' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:27:1: Wrong lexicographical order for 'java.nio.charset.StandardCharsets' import. Should be before 'org.springframework.web.bind.annotation.*'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:42:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:32:47: Using the '.*' form of import should be avoided - org.springframework.web.bind.annotation.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:34:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:34:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.web.bind.annotation.*'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:36:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RESPONSE_ERROR' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:37:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:57:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:65:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:69:50: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:71:95: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:88:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:93:95: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:106:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:111:95: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:120:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:26:47: Using the '.*' form of import should be avoided - org.springframework.web.bind.annotation.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:28:1: Extra separation in import group before 'jakarta.annotation.Resource' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:28:1: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.web.bind.annotation.*'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:29:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.web.bind.annotation.*'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:33:14: Abbreviation in name 'IMFRegInfoController' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:35:23: Abbreviation in name 'IMFRegInfoService' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:35:23: Member name 'IMFRegInfoService' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'. [MemberName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentInstanceController.java:30:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/ExpectationTargetMapper.java:32: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:21:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentEventRecord'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:25:40: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:25:40: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:30:67: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:30:67: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/ObjectInstanceMapper.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/ObjectInstanceMapper.java:21:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/ObjectInstanceMapper.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.apache.ibatis.annotations.Param'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportFulfillmentInfoMapper.java:23:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportFulfillmentInfoMapper.java:23:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.FulfillmentInfo'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportFulfillmentInfoMapper.java:27: Line is longer than 120 characters (found 149). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentMapper.java:24:1: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.models.Intent' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentMapper.java:42:64: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentMapper.java:42:64: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportMapper.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportMapper.java:22:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportMapper.java:22:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentReport'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:22:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:22:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentManagementFunctionRegInfo'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:23:1: 'INTERFACE_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:24:18: Abbreviation in name 'IMFRegInfoMapper' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:25:9: Abbreviation in name 'insertIMFRegInfoRegInfo' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/ConditionMapper.java:24:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/mapper/ConditionMapper.java:24:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Condition'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.Thread' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:23:1: Extra separation in import group before 'java.util.concurrent.*' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:23:1: Wrong lexicographical order for 'java.util.concurrent.*' import. Should be before 'org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:23:28: Using the '.*' form of import should be avoided - java.util.concurrent.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:28:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:50:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:51:53: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.Thread' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:27:1: Extra separation in import group before 'java.util.concurrent.Callable' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:27:1: Wrong lexicographical order for 'java.util.concurrent.Callable' import. Should be before 'org.springframework.context.ApplicationContext'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:38: Line is longer than 120 characters (found 154). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:38:5: 'CTOR_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:38:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:51:9: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:51:10: WhitespaceAround: 'else' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:51:23: WhitespaceAround: '==' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:51:23: WhitespaceAround: '==' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:51:47: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:53:9: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:53:10: WhitespaceAround: 'else' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:61: Line is longer than 120 characters (found 129). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:64:60: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:37:1: Extra separation in import group before 'jakarta.annotation.Resource' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:37:1: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:38:1: Wrong lexicographical order for 'java.time.LocalDateTime' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:39:1: Wrong lexicographical order for 'java.util.concurrent.FutureTask' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:44:14: Abbreviation in name 'CLLDeliveryIntentManagementFunction' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:79: Line is longer than 120 characters (found 128). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:83: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:24:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:25:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.enums.*' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.*'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:25:52: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.enums.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:36:1: Extra separation in import group before 'java.util.Arrays' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:36:1: Wrong lexicographical order for 'java.util.Arrays' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:37:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:38:1: Wrong lexicographical order for 'java.util.HashMap' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:39:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:40:1: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:41:1: Wrong lexicographical order for 'java.util.UUID' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:42:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:46:14: Abbreviation in name 'CLLDeliveryActuationModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:47:18: 'static' modifier out of order with the JLS suggestions. [ModifierOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:48:18: 'static' modifier out of order with the JLS suggestions. [ModifierOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:49:18: 'static' modifier out of order with the JLS suggestions. [ModifierOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:98: Line is longer than 120 characters (found 132). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:105:46: WhitespaceAround: '->' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:105:46: WhitespaceAround: '->' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:108:46: WhitespaceAround: '->' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:108:46: WhitespaceAround: '->' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:118:62: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:118:84: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:144:85: '+' should be on a new line. [OperatorWrap]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:151:9: 'if' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:151:9: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:151:36: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:157:1: Line contains a tab character. [FileTabCharacter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:158:1: Line contains a tab character. [FileTabCharacter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:158:9: 'method def modifier' has incorrect indentation level 8, expected level should be 4. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:158:9: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:169: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:175:94: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:177:69: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:182: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryKnowledgeModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryKnowledgeModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryKnowledgeModule.java:24:14: Abbreviation in name 'CLLDeliveryKnowledgeModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:23:1: Extra separation in import group before 'java.util.LinkedHashMap' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:23:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:26:14: Abbreviation in name 'CLLDeliveryDecisionModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:33: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:38: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:43: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/DataBaseException.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:18:54: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:26:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:26:28: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/IntentInputException.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/exception/ErrorMessage.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:38:1: Extra separation in import group before 'jakarta.annotation.Resource' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:38:1: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:39:1: Wrong lexicographical order for 'java.util.*' import. Should be before 'org.springframework.transaction.annotation.Transactional'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:39:17: Using the '.*' form of import should be avoided - java.util.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:83: Line is longer than 120 characters (found 128). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:91:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:103:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:114: Line is longer than 120 characters (found 130). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:114:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:144: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:150:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:161:74: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:162:29: Local variable name 'bFindExpectation' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [LocalVariableName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:163:84: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:21:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:33:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:33:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:34:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:35:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:36:1: Wrong lexicographical order for 'java.util.Locale' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:37:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:55: Line is longer than 120 characters (found 132). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:57: Line is longer than 120 characters (found 179). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:64: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:79:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:85: Line is longer than 120 characters (found 147). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:86: Line is longer than 120 characters (found 155). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:99: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:116:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:116:17: Method name 'UpdateIntentInfo' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9_]*$'. [MethodName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:127:74: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:128:29: Local variable name 'bFindExpectation' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [LocalVariableName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:129:84: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:145: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputActuationModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputActuationModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:25:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:25:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/CommonUtil.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/CommonUtil.java:27:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/CustomTrustManager.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/CustomTrustManager.java:19:1: Wrong lexicographical order for 'java.security.cert.CertificateException' import. Should be before 'javax.net.ssl.X509TrustManager'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/CustomTrustManager.java:20:1: Wrong lexicographical order for 'java.security.cert.X509Certificate' import. Should be before 'javax.net.ssl.X509TrustManager'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:32:1: Extra separation in import group before 'java.io.IOException' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:32:1: Wrong lexicographical order for 'java.io.IOException' import. Should be before 'org.apache.http.util.EntityUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:33:1: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.apache.http.util.EntityUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:34:1: Wrong lexicographical order for 'java.util.Set' import. Should be before 'org.apache.http.util.EntityUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:36:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.ENCODING_UTF8' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:46:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:47:32: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:47:32: ',' is preceded with whitespace. [NoWhitespaceBefore]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:47:37: ',' is preceded with whitespace. [NoWhitespaceBefore]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:36:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:36:60: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:49: Line is longer than 120 characters (found 142). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:49:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:49:142: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:63:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:63:58: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:69:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:69:98: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:33:1: Extra separation in import group before 'javax.net.ssl.*' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:33:1: Wrong lexicographical order for 'javax.net.ssl.*' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:33:21: Using the '.*' form of import should be avoided - javax.net.ssl.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:34:1: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletRequest' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:35:1: Wrong lexicographical order for 'java.io.BufferedReader' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:36:1: Wrong lexicographical order for 'java.io.IOException' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:37:1: Wrong lexicographical order for 'java.security.SecureRandom' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:38:1: Wrong lexicographical order for 'java.util.concurrent.TimeUnit' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:50:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:56:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:71:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:71:26: Abbreviation in name 'getMSBIAGAddress' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:80:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:102:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:102:36: Abbreviation in name 'getSSLSocketFactory' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:110:31: Empty catch block. [EmptyCatchBlock]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:116:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:43: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:47: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:52: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:57: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:62: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:65:45: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:65:45: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:44:1: Extra separation in import group before 'jakarta.annotation.Resource' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:44:1: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:45:1: Wrong lexicographical order for 'java.util.Iterator' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:46:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:47:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:48:1: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:49:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:54:14: Abbreviation in name 'CLLBusinessIntentManagementFunction' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:98: Line is longer than 120 characters (found 128). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:135:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:147:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:158:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:159: Line is longer than 120 characters (found 130). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModule.java:28:14: Abbreviation in name 'CLLBusinessActuationModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:37:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:37:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:38:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:39:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:40:1: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:41:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:45:14: Abbreviation in name 'CLLBusinessDecisionModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:65:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:71: Line is longer than 120 characters (found 136). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:83:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:99:17: Distance between variable 'subIntentGoalBean' declaration and its first usage is 5, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:101: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:115:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:120: Line is longer than 120 characters (found 121). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:123: Line is longer than 120 characters (found 133). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:131: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:156: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:166:21: Local variable name 'bFindIntent' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'. [LocalVariableName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:192: Line is longer than 120 characters (found 126). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:25:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:25:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:28:14: Abbreviation in name 'CLLBusinessKnowledgeModule' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/ActuationModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/ActuationModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:21:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:25:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:25:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.beans.factory.annotation.Autowired'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:26:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.beans.factory.annotation.Autowired'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:27:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.beans.factory.annotation.Autowired'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:57: Line is longer than 120 characters (found 141). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:83: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:115:93: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:115:93: WhitespaceAround: '+' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:116: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:117: Line is longer than 120 characters (found 123). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:117:82: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:21:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:26:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:26:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.beans.BeanUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:27:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.beans.BeanUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:28:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.beans.BeanUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:29:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.beans.BeanUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:36:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:47:41: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:55: Line is longer than 120 characters (found 134). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:57: Line is longer than 120 characters (found 134). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:59: Line is longer than 120 characters (found 134). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:61: First sentence of Javadoc is missing an ending period. [SummaryJavadoc]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:64: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:65: At-clause should have a non-empty description. [NonEmptyAtclauseDescription]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:83:49: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:84:63: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:91:40: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:91:40: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:92:61: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:103:43: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:104:63: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:129:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:145:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:158:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:164:31: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:165:51: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:38:1: Extra separation in import group before 'jakarta.annotation.Resource' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:38:1: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:39:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:40:1: Wrong lexicographical order for 'java.util.concurrent.ScheduledThreadPoolExecutor' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:41:1: Wrong lexicographical order for 'java.util.concurrent.TimeUnit' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:42:1: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.util.CollectionUtils'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:44:1: Import statement for 'org.onap.usecaseui.intentanalysis.bean.enums.IntentGoalType.CREATE' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:67:70: ';' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:68: Line is longer than 120 characters (found 129). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:68:129: ';' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:69:81: ';' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:105: Line is longer than 120 characters (found 173). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.contextService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:32:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:32:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:33:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:34:1: 'CLASS_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:44: Line is longer than 120 characters (found 153). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:44:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:44:55: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:44:75: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:44:153: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:50:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:50:77: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:72:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:72:78: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:86:69: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:97:42: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:109: Line is longer than 120 characters (found 141). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:109:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:109:141: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:111:50: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:146:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:146:73: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:149:7: Comment has incorrect indentation level 6, expected is 8, indentation should be the same level as line 150. [CommentsIndentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:153:69: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:165:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:165:66: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:173:84: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:181:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:181:77: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:188:92: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentFunctionManageService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:21:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:21:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.ServiceResult'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:23:18: Abbreviation in name 'IMFRegInfoService' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:24:86: ';' is preceded with whitespace. [NoWhitespaceBefore]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentFunctionManageService.impl' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:32:1: Extra separation in import group before 'java.lang.reflect.InvocationTargetException' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:32:1: Wrong lexicographical order for 'java.lang.reflect.InvocationTargetException' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:33:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:35:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RESPONSE_ERROR' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:36:1: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:40:14: Abbreviation in name 'IMFRegInfoServiceImpl' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:60: Line is longer than 120 characters (found 127). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:69:9: WhitespaceAround: 'try' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:69:12: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:70:55: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:71: Line is longer than 120 characters (found 127). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:72:9: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:72:10: WhitespaceAround: 'catch' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:72:10: WhitespaceAround: 'catch' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:72:36: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentinterfaceservice' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:24:57: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:26:57: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentinterfaceservice.impl' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:25:1: Extra separation in import group before 'java.time.LocalDateTime' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:25:1: Wrong lexicographical order for 'java.time.LocalDateTime' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:31: Line is longer than 120 characters (found 124). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:36:17: 'if' child has incorrect indentation level 16, expected level should be 12. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:44: Line is longer than 120 characters (found 124). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:54: Line is longer than 120 characters (found 124). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentEventRecord' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:23:1: Extra separation in import group before 'java.util.List' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:23:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:31:76: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:31:93: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:32:69: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:36:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:36:76: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:36:96: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:37:8: 'method def' child has incorrect indentation level 7, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:37:78: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:44: Javadoc comment at column 20 has parse error. Missed HTML close tag 'IntentEventRecord'. Sometimes it means that close tag missed for one of previous tags. [AtclauseOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:46:66: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:46:86: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:47:74: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentInfoTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:23:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:23:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ObjectType'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:24:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ObjectType'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:23:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:23:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.OperatorType'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:45:56: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:22:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:22:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.junit.Test'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:32:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:33:37: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:39:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:40:37: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentTest.java:22:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentTest.java:22:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.junit.Test'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTargetTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTargetTest.java:23:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTargetTest.java:23:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ExpectationType'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTest.java:23:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTest.java:23:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ExpectationType'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfoTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentGoalBeanTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:30:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:36:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:36:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:37:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:38:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:40:1: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:41:1: Import statement for 'org.mockito.Mockito.times' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:42:1: Import statement for 'org.mockito.Mockito.verify' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:46:14: Abbreviation in name 'CLLAssuranceActuationModuleTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:60:9: Distance between variable 'expectationList' declaration and its first usage is 13, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:68:9: Distance between variable 'targetList' declaration and its first usage is 7, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:72:9: Distance between variable 'conditionList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:95:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:96:38: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:97:8: Comment has incorrect indentation level 7, expected is 8, indentation should be the same level as line 98. [CommentsIndentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:98:66: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:107:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:108:48: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:109:8: Comment has incorrect indentation level 7, expected is 8, indentation should be the same level as line 110. [CommentsIndentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:113:75: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:116:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:117:39: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:18:1: Wrong lexicographical order for 'jakarta.servlet.FilterChain' import. Should be before 'java.io.IOException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:19:1: Wrong lexicographical order for 'jakarta.servlet.ServletException' import. Should be before 'java.io.IOException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:20:1: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletRequest' import. Should be before 'java.io.IOException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:21:1: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletResponse' import. Should be before 'java.io.IOException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:32: Line is longer than 120 characters (found 123). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:43:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:23:1: 'java.io.IOException' should be separated from previous import group by one line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:31:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.adapters.policy.impl.PolicyServiceImpl'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:60:27: Abbreviation in name 'policyAPICall' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:63:17: Abbreviation in name 'testCreateAndDeployCLLPolicySuccess' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:71:17: Abbreviation in name 'testCreateAndDeployCLLPolicyFailedCreateFailed' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:78:17: Abbreviation in name 'testCreateAndDeployCLLPolicyFailedDeployFailed' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:85:17: Abbreviation in name 'testUndeployAndRemoveCLLPolicySuccess' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:92:17: Abbreviation in name 'testUndeployAndRemoveCLLPolicySuccessPolicyNotExist' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:106:68: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:113:75: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:120:71: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:127:71: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:23:34: Using the '.*' form of import should be avoided - org.mockito.Mockito.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:43:14: Abbreviation in name 'SOServiceTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:54:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:55:23: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:65:17: Abbreviation in name 'testCreateCCVPNInstanceFailedCCVPNInstanceIsNull' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:72:17: Abbreviation in name 'testCreateCCVPNInstanceFailedException' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:78:17: Abbreviation in name 'testCreateCCVPNInstanceFailedJobIdNull' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:79:20: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:94:20: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:102:17: Abbreviation in name 'testCreateCCVPNInstanceGetCreateStatusFailed' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:103:20: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:113:17: Abbreviation in name 'testCreateCCVPNInstanceSuccess' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:114:20: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationServiceTest.java:39:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.exception.DataBaseException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationServiceTest.java:60:54: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationServiceTest.java:66:9: Distance between variable 'expectation' declaration and its first usage is 15, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:32:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.exception.DataBaseException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:80: Line is longer than 120 characters (found 136). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:115: Line is longer than 120 characters (found 121). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:129: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:22:1: Extra separation in import group before 'org.junit.Assert' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:26:52: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.enums.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:28:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Condition' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:29:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.FulfillmentInfo' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:30:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Context' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:31:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Expectation' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:32:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationTarget' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:33:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationObject' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:34:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:62:9: Distance between variable 'intent' declaration and its first usage is 24, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:63:9: Distance between variable 'expectation1' declaration and its first usage is 12, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:64:9: Distance between variable 'target1' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:65:9: Distance between variable 'object1' declaration and its first usage is 10, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:66:9: Distance between variable 'intentContext' declaration and its first usage is 18, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:67:9: Distance between variable 'intentFulfillmentInfo' declaration and its first usage is 21, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:23:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:30:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:30:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:31:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:32:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:33:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:33:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringJUnit4ClassRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:34:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringJUnit4ClassRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:36:1: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:50:5: Missing a Javadoc comment. [MissingJavadocMethod]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:59:17: Abbreviation in name 'itCanInsertIMFRegInfoRegInfo' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImplTest.java:34:1: Extra separation in import group before 'java.io.File' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImplTest.java:34:1: Wrong lexicographical order for 'java.io.File' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImplTest.java:35:1: Wrong lexicographical order for 'java.nio.charset.StandardCharsets' import. Should be before 'org.springframework.stereotype.Component'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetServiceTest.java:32:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.exception.DataBaseException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetServiceTest.java:61:9: Distance between variable 'target' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetServiceTest.java:142: Line is longer than 120 characters (found 122). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:17:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:35:1: Import statement for 'org.mockito.Mockito.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:35:34: Using the '.*' form of import should be avoided - org.mockito.Mockito.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:124: Line is longer than 120 characters (found 135). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:17:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:17:9: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:28:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:36:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:36:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:37:1: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:38:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:40:1: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:44:14: Abbreviation in name 'CLLDeliveryActuationModuleTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:69:9: Distance between variable 'gbExpectationList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:79:23: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3) [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:87:77: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:91:36: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:95:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:96:37: '(' is preceded with whitespace. [MethodParamPad]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:96:39: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:98:9: Distance between variable 'intent' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:99:9: Distance between variable 'expectationList' declaration and its first usage is 8, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:103:9: Distance between variable 'targetList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:119:89: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:120:65: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:17:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:17:9: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:28:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:33:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:33:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:34:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:36:1: Import statement for 'org.junit.jupiter.api.Assertions.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:36:47: Using the '.*' form of import should be avoided - org.junit.jupiter.api.Assertions.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:37:1: 'CLASS_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:39:14: Abbreviation in name 'CLLDeliveryDecisionModuleTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:49:9: Distance between variable 'expectationList' declaration and its first usage is 15, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:59:9: Distance between variable 'expectationTargetList' declaration and its first usage is 8, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:63:9: Distance between variable 'targetConditionList' declaration and its first usage is 5, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:63:44: WhitespaceAround: '=' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:91:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:92:39: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:94:32: ';' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:94:33: WhitespaceAround: '}' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:94:33: '}' at column 33 should be alone on a line. [RightCurlyAlone]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:18:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:39:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:39:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:40:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:41:1: 'CLASS_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:50:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:54:9: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:82:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:83:44: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:84: Line is longer than 120 characters (found 130). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:87:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:88:34: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:92:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:93:39: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:98:9: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:111:72: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:18:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:32:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:37:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:37:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:38:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:40:1: Import statement for 'org.mockito.ArgumentMatchers.anyString' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:57:9: Distance between variable 'expectationList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:95:9: Distance between variable 'intentContexts' declaration and its first usage is 7, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:99:9: Distance between variable 'conditionList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:99:58: ';' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:47:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:47:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:48:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:49:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:51:1: Import statement for 'org.mockito.Mockito.mock' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:80:9: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:151:9: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:60:45: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:61:10: 'method def' child has incorrect indentation level 9, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:62:10: 'method def' child has incorrect indentation level 9, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:63:6: 'method def rcurly' has incorrect indentation level 5, expected level should be 4. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:66:52: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:67:10: 'method def' child has incorrect indentation level 9, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:67:104: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:68:10: 'method def' child has incorrect indentation level 9, expected level should be 8. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:69:6: 'method def rcurly' has incorrect indentation level 5, expected level should be 4. [Indentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:18:1: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletRequest' import. Should be before 'java.io.IOException'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:20:1: Extra separation in import group before 'okhttp3.RequestBody' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:25:1: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.adapters.policy.apicall.PolicyAPICall'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:47:17: Abbreviation in name 'testGetMSBAddressSuccess' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:17:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:31:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:41:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:41:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:42:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:44:1: Import statement for 'org.junit.jupiter.api.Assertions.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:44:47: Using the '.*' form of import should be avoided - org.junit.jupiter.api.Assertions.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:45:1: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:46:1: Import statement for 'org.mockito.ArgumentMatchers.anyString' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:50:14: Abbreviation in name 'CLLBusinessDecisionModuleTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:67:9: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:104: Line is longer than 120 characters (found 131). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:105: Line is longer than 120 characters (found 144). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:106:1: Comment has incorrect indentation level 0, expected is 8, indentation should be the same level as line 107. [CommentsIndentation]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:119:9: Distance between variable 'intentGoalBeanList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:161:9: Distance between variable 'originIntentGoal' declaration and its first usage is 8, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:184:9: Distance between variable 'intentGoalBean' declaration and its first usage is 5, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:184:72: ',' is not followed by whitespace. [WhitespaceAfter]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:29:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:29:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:30:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:32:1: Import statement for 'org.junit.jupiter.api.Assertions.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:32:47: Using the '.*' form of import should be avoided - org.junit.jupiter.api.Assertions.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:33:1: Import statement for 'org.mockito.Mockito.times' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:34:1: Import statement for 'org.mockito.Mockito.verify' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:38:14: Abbreviation in name 'CLLBusinessActuationModuleTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:43:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:44:37: WhitespaceAround: '{' is not preceded with whitespace. [WhitespaceAround]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:16:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:16:9: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:29:53: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*. [AvoidStarImport]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:50:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:50:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:51:1: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:52:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:54:1: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:55:1: Import statement for 'org.mockito.Mockito.mock' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:59:14: Abbreviation in name 'CLLBusinessIntentManagementFunctionTest' must contain no more than '2' consecutive capital letters. [AbbreviationAsWordInName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:87:9: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:119:5: 'METHOD_DEF' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:17:1: 'package' should be separated from previous line. [EmptyLineSeparator]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:17:9: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.contextService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'. [PackageName]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:39:1: Extra separation in import group before 'java.util.ArrayList' [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:39:1: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:40:1: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:42:1: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:43:1: Import statement for 'org.mockito.Mockito.when' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line. [CustomImportOrder]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:86:9: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:109: Line is longer than 120 characters (found 146). [LineLength]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:115:9: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:140:9: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  [WARN] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:163:9: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value). [VariableDeclarationUsageDistance]
  Audit done.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.eventAndPublish.event' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[34,5] (whitespace) EmptyLineSeparator: 'CTOR_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[34,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[35,62] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[40,26] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentCreateEvent.java:[40,26] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.eventAndPublish.event' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:[31,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/event/IntentDeleteEvent.java:[33,23] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.eventAndPublish.listener' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[29,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[37,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[38,94] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[39,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[39,70] (whitespace) WhitespaceAfter: ';' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[40,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[40,82] (whitespace) WhitespaceAfter: ';' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[41,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[42,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[42,27] (naming) LocalVariableName: Local variable name 'owner_info' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[44,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[44,27] (naming) LocalVariableName: Local variable name 'handler_info' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[46,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[47,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[49,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[50,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[51,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[52,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[53,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/eventAndPublish/listener/IntentEventListener.java:[54,13] (indentation) Indentation: 'method def' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/ObjectType.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/ConditionParentType.java:[21,14] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[23,9] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[24,18] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[25,14] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[26,15] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[27,17] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[28,12] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[29,13] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[30,19] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[31,19] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[32,13] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[33,19] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/OperatorType.java:[34,11] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/NotFulfilledReason.java:[23] (sizes) LineLength: Line is longer than 120 characters (found 138).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/IntentGenerateType.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/enums/ContextParentType.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentEventRecord.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:[24,17] (naming) MemberName: Member name 'result_code' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:[26,20] (naming) MemberName: Member name 'result_message' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:[31,29] (naming) ParameterName: Parameter name 'result_code' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ResultHeader.java:[31,49] (naming) ParameterName: Parameter name 'result_message' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentInstance.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentInstance.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'lombok.Data'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:[25,26] (naming) MemberName: Member name 'result_header' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:[26,20] (naming) MemberName: Member name 'result_body' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:[31,39] (naming) ParameterName: Parameter name 'result_header' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:[31,61] (naming) ParameterName: Parameter name 'result_body' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ServiceResult.java:[36,39] (naming) ParameterName: Parameter name 'result_header' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:[20,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.Date'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:[20,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Date' import. Should be before 'lombok.Data'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentReport.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'lombok.Data'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Condition.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Condition.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.OperatorType'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfo.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfo.java:[25,31] (whitespace) WhitespaceAfter: ';' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfo.java:[27,37] (whitespace) WhitespaceAfter: ';' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[19,1] (imports) CustomImportOrder: Wrong lexicographical order for 'javax.persistence.*' import. Should be before 'lombok.Data'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[19,25] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - javax.persistence.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[20,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.io.Serializable' import. Should be before 'lombok.Data'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[23,12] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[23,12] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[26,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CCVPNInstance' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/CCVPNInstance.java:[28,29] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/IntentGoalBean.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentInfo.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentInfo.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.NotFulfilledState'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObject.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'lombok.Data'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Context.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/bean/models/Context.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'lombok.Data'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.LinkedHashMap'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[26,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLAssuranceDecisionModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[33] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[38] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceDecisionModule.java:[43] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[23,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[31,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[36,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLAssuranceActuationModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[115] (sizes) LineLength: Line is longer than 120 characters (found 146).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[118] (sizes) LineLength: Line is longer than 120 characters (found 127).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModule.java:[127,26] (naming) AbbreviationAsWordInName: Abbreviation in name 'getCLLId' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceKnowledgeModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceKnowledgeModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceKnowledgeModule.java:[26,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLAssuranceKnowledgeModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[37,1] (imports) CustomImportOrder: Extra separation in import group before 'jakarta.annotation.Resource'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.time.LocalDateTime' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.FutureTask' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[44,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLAssuranceIntentManagementFunction' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[79] (sizes) LineLength: Line is longer than 120 characters (found 128).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[84] (sizes) LineLength: Line is longer than 120 characters (found 127).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[19] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[21] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[23,13] (naming) AbbreviationAsWordInName: Abbreviation in name 'createAndDeployModifyCLLPolicy' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[25] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[27] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[29,13] (naming) AbbreviationAsWordInName: Abbreviation in name 'undeployAndRemoveModifyCLLPolicy' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[32] (sizes) LineLength: Line is longer than 120 characters (found 127).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[33] (sizes) LineLength: Line is longer than 120 characters (found 121).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[36] (sizes) LineLength: Line is longer than 120 characters (found 121).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyService.java:[38] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/apicall/PolicyAPICall.java:[29,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'PolicyAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/apicall/PolicyAPICall.java:[72] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/apicall/PolicyAuthConfig.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationCallback.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationService.java:[27,39] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/dmaap/PolicyNotificationService.java:[31,24] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[24,1] (imports) CustomImportOrder: Extra separation in import group before 'com.alibaba.fastjson2.JSONArray'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[24,1] (imports) CustomImportOrder: Wrong lexicographical order for 'com.alibaba.fastjson2.JSONArray' import. Should be before 'java.util.LinkedHashMap'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'com.alibaba.fastjson2.JSONObject' import. Should be before 'java.util.LinkedHashMap'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[46,27] (naming) AbbreviationAsWordInName: Abbreviation in name 'policyAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[48,77] (whitespace) NoWhitespaceBefore: ';' is preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[53,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[53,26] (naming) AbbreviationAsWordInName: Abbreviation in name 'getPolicyAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[61,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'setPolicyAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[61,48] (naming) AbbreviationAsWordInName: Abbreviation in name 'policyAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[114] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[131] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[134] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[135] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[136] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[137] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[194] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[197] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[239,45] (whitespace) WhitespaceAfter: 'typecast' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[240,9] (extension) RightCurlySame: '}' at column 9 should be on the same line as the next part of a multi-block statement (one that directly contains multiple blocks: if/else-if/else, do/while or try/catch/finally).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java:[242,45] (whitespace) WhitespaceAfter: 'typecast' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/ModifyCLLPolicyConstants.java:[19,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'ModifyCLLPolicyConstants' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/IntentConfigPolicyConstants.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.Map'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:[24,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'SOService' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/SOService.java:[26,9] (naming) AbbreviationAsWordInName: Abbreviation in name 'createCCVPNInstance' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[21,22] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - retrofit2.http.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[23,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'SOAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[25,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[26,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[33,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[34,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[36,17] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[36,17] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[36,32] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAPICall.java:[36,32] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAuthConfig.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/apicall/SOAuthConfig.java:[26,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'SOAuthConfig' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.io.IOException' import. Should be before 'retrofit2.Response'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[35,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'retrofit2.Response'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.HashMap' import. Should be before 'retrofit2.Response'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'retrofit2.Response'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Map' import. Should be before 'retrofit2.Response'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[39,1] (whitespace) EmptyLineSeparator: 'CLASS_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[41,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'SOServiceImpl' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[55,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[63,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[75,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'setAAIApiCall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[81,9] (whitespace) WhitespaceAround: WhitespaceAround: 'try' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[81,12] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[82,39] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[87,31] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[92,55] (whitespace) WhitespaceAround: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[92,55] (whitespace) WhitespaceAround: WhitespaceAround: '+' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[96,56] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[97,17] (whitespace) WhitespaceAfter: 'if' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[97,17] (whitespace) WhitespaceAround: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[115,9] (whitespace) WhitespaceAround: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[115,10] (whitespace) WhitespaceAround: WhitespaceAround: 'catch' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[126] (sizes) LineLength: Line is longer than 120 characters (found 145).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[129] (sizes) LineLength: Line is longer than 120 characters (found 132).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[134] (sizes) LineLength: Line is longer than 120 characters (found 129).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[148,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[150,42] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[152] (sizes) LineLength: Line is longer than 120 characters (found 141).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[169] (sizes) LineLength: Line is longer than 120 characters (found 141).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[177] (sizes) LineLength: Line is longer than 120 characters (found 121).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[189] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[191] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[192] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[205] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[207] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/so/impl/SOServiceImpl.java:[208] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationEventEntity.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[49] (sizes) LineLength: Line is longer than 120 characters (found 131).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[52,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'MRTopicMonitor' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[66] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[77] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[96] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[105] (sizes) LineLength: Line is longer than 120 characters (found 133).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[115] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[145] (sizes) LineLength: Line is longer than 120 characters (found 125).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[148,19] (naming) AbbreviationAsWordInName: Abbreviation in name 'MRConsumerWrapper' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[165] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[185,51] (naming) AbbreviationAsWordInName: Abbreviation in name 'MRTopicParams' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[185,51] (naming) ParameterName: Parameter name 'MRTopicParams' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[219] (javadoc) AtclauseOrder: Javadoc comment at column 0 has parse error. Details: no viable alternative at input '         *' while parsing JAVADOC_TAG
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicMonitor.java:[246] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationEventModel.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[40] (sizes) LineLength: Line is longer than 120 characters (found 124).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[63,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'MRTopicParams' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[179,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[179,33] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[180,9] (whitespace) WhitespaceAfter: 'if' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[180,9] (whitespace) WhitespaceAround: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[180,31] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[296,9] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[302,13] (coding) VariableDeclarationUsageDistance: Distance between variable 'topic' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,27] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,27] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,32] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,32] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,52] (whitespace) WhitespaceAround: WhitespaceAround: '<' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,52] (whitespace) WhitespaceAround: WhitespaceAround: '<' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[328,60] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/MRTopicParams.java:[334,46] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationCallback.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dmaap/NotificationCallback.java:[18] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationCallback.java:[32,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'DCAENotificationCallback' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:[23,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'DCAENotificationService' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:[28,37] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/dcae/dmaap/DCAENotificationService.java:[32,24] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[24,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'AAIAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[29,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[30,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[31,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[32,13] (indentation) Indentation: 'annotation array initialization' child has incorrect indentation level 12, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAPICall.java:[34] (sizes) LineLength: Line is longer than 120 characters (found 164).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAuthConfig.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/apicall/AAIAuthConfig.java:[26,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'AAIAuthConfig' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/AAIService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/adapters/aai/AAIService.java:[18,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'AAIService' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentManagementFunctionRegInfo'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:[25,9] (naming) AbbreviationAsWordInName: Abbreviation in name 'insertIMFRegInfoRegInfo' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:[26,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ImfRegInfoService.java:[27,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ComponentNotificationService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ContextService.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.enums.ContextParentType'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetService.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.models.Expectation'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/IntentReportService.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/IntentReportService.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.TimeParam'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ObjectInstanceServiceImpl.java:[29,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ObjectInstanceServiceImpl.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ObjectInstanceServiceImpl.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'lombok.extern.slf4j.Slf4j'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Intent' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.exception.DataBaseException' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.IntentMapper' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[41,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[42,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationService' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[43,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[44,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.IntentService' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[177,56] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[179,34] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[181] (sizes) LineLength: Line is longer than 120 characters (found 169).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentServiceImpl.java:[224] (sizes) LineLength: Line is longer than 120 characters (found 137).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[21,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[28,48] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.mapper.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[36,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[50] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[94] (sizes) LineLength: Line is longer than 120 characters (found 137).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImpl.java:[96] (sizes) LineLength: Line is longer than 120 characters (found 136).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'lombok.extern.slf4j.Slf4j'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[26,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts' import. Should be before 'org.onap.usecaseui.intentanalysis.service.ConditionService'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[27,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.exception.DataBaseException' import. Should be before 'org.onap.usecaseui.intentanalysis.service.ConditionService'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.enums.ContextParentType' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationTarget' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ExpectationTargetMapper' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationTargetService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[35,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[100] (sizes) LineLength: Line is longer than 120 characters (found 123).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[106] (sizes) LineLength: Line is longer than 120 characters (found 123).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[130] (sizes) LineLength: Line is longer than 120 characters (found 127).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[133] (sizes) LineLength: Line is longer than 120 characters (found 125).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[135] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[145] (sizes) LineLength: Line is longer than 120 characters (found 132).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationTargetServiceImpl.java:[183] (sizes) LineLength: Line is longer than 120 characters (found 121).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.FulfillmentInfo' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:[24,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.FulfillmentInfoMapper' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/FulfillmentInfoServiceImpl.java:[26,1] (imports) CustomImportOrder: Wrong lexicographical order for 'lombok.extern.slf4j.Slf4j' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentInstanceServiceImpl.java:[32,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.Collections'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentInstanceServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentInstanceServiceImpl.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'lombok.extern.slf4j.Slf4j'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[25,1] (imports) CustomImportOrder: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.enums.ConditionParentType'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Context' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ContextMapper' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.springframework.beans.factory.annotation.Autowired' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ContextServiceImpl.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ConditionService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[32,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[56,53] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[57] (sizes) LineLength: Line is longer than 120 characters (found 172).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[71,13] (blocks) NeedBraces: 'if' construct must use '{}'s.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[83] (sizes) LineLength: Line is longer than 120 characters (found 132).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[83,120] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImpl.java:[84,26] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:[20,1] (imports) CustomImportOrder: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.models.Condition'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:[29,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ConditionServiceImpl.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'lombok.extern.slf4j.Slf4j'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[26,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.enums.ContextParentType' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[27,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Expectation' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[28,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.exception.DataBaseException' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ExpectationMapper' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationObjectService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationTargetService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[35,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.FulfillmentInfoService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[150] (sizes) LineLength: Line is longer than 120 characters (found 137).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[151] (sizes) LineLength: Line is longer than 120 characters (found 142).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[152] (sizes) LineLength: Line is longer than 120 characters (found 123).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationServiceImpl.java:[153] (sizes) LineLength: Line is longer than 120 characters (found 142).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[26,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.TimeParam' import. Should be before 'org.onap.usecaseui.intentanalysis.common.ResponseConsts'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[40,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.Collections'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[41,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[42,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.StringJoiner' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[43,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[45,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[87] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[131] (sizes) LineLength: Line is longer than 120 characters (found 133).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[138,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[139] (sizes) LineLength: Line is longer than 120 characters (found 129).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[146,20] (naming) AbbreviationAsWordInName: Abbreviation in name 'convertToCSV' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceImpl.java:[201] (sizes) LineLength: Line is longer than 120 characters (found 144).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'lombok.extern.slf4j.Slf4j'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[28,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationObject' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Context' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.mapper.ExpectationObjectMapper' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ContextService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.service.ExpectationObjectService' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[56] (sizes) LineLength: Line is longer than 120 characters (found 128).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[74,9] (whitespace) WhitespaceAfter: 'if' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[74,9] (whitespace) WhitespaceAround: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/impl/ExpectationObjectServiceImpl.java:[74,53] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ConditionService.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/service/ConditionService.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Condition'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:[20,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:[25,47] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.springframework.web.bind.annotation.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:[27,1] (imports) CustomImportOrder: Extra separation in import group before 'java.nio.charset.StandardCharsets'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:[27,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.nio.charset.StandardCharsets' import. Should be before 'org.springframework.web.bind.annotation.*'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentReportController.java:[42,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[32,47] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.springframework.web.bind.annotation.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[34,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.web.bind.annotation.*'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[36,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RESPONSE_ERROR' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[37,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[57,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[65,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[69,50] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[71,95] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[88,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[93,95] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[106,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[111,95] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentController.java:[120,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[26,47] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.springframework.web.bind.annotation.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[28,1] (imports) CustomImportOrder: Extra separation in import group before 'jakarta.annotation.Resource'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[28,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.web.bind.annotation.*'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.web.bind.annotation.*'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[33,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'IMFRegInfoController' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[35,23] (naming) AbbreviationAsWordInName: Abbreviation in name 'IMFRegInfoService' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IMFRegInfoController.java:[35,23] (naming) MemberName: Member name 'IMFRegInfoService' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9]*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/controller/IntentInstanceController.java:[30,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/ExpectationTargetMapper.java:[32] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentEventRecord'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[25,40] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[25,40] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[30,67] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentEventRecordMapper.java:[30,67] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/ObjectInstanceMapper.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/ObjectInstanceMapper.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/ObjectInstanceMapper.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.apache.ibatis.annotations.Param'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportFulfillmentInfoMapper.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportFulfillmentInfoMapper.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.FulfillmentInfo'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportFulfillmentInfoMapper.java:[27] (sizes) LineLength: Line is longer than 120 characters (found 149).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentMapper.java:[24,1] (imports) CustomImportOrder: Extra separation in import group before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentMapper.java:[42,64] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentMapper.java:[42,64] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportMapper.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportMapper.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IntentReportMapper.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentReport'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.IntentManagementFunctionRegInfo'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:[23,1] (whitespace) EmptyLineSeparator: 'INTERFACE_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:[24,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'IMFRegInfoMapper' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/IMFRegInfoMapper.java:[25,9] (naming) AbbreviationAsWordInName: Abbreviation in name 'insertIMFRegInfoRegInfo' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/ConditionMapper.java:[24,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/mapper/ConditionMapper.java:[24,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Condition'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.Thread' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.concurrent.*'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.*' import. Should be before 'org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[23,28] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - java.util.concurrent.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[28,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[50,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/ThreadPoolConfig.java:[51,53] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.Thread' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[27,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.concurrent.Callable'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[27,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.Callable' import. Should be before 'org.springframework.context.ApplicationContext'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[38] (sizes) LineLength: Line is longer than 120 characters (found 154).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[38,5] (whitespace) EmptyLineSeparator: 'CTOR_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[38,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[51,9] (whitespace) WhitespaceAround: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[51,10] (whitespace) WhitespaceAround: WhitespaceAround: 'else' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[51,23] (whitespace) WhitespaceAround: WhitespaceAround: '==' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[51,23] (whitespace) WhitespaceAround: WhitespaceAround: '==' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[51,47] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[53,9] (whitespace) WhitespaceAround: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[53,10] (whitespace) WhitespaceAround: WhitespaceAround: 'else' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[61] (sizes) LineLength: Line is longer than 120 characters (found 129).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/Thread/CreateCallable.java:[64,60] (whitespace) WhitespaceAround: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[37,1] (imports) CustomImportOrder: Extra separation in import group before 'jakarta.annotation.Resource'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.time.LocalDateTime' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.FutureTask' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[44,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLDeliveryIntentManagementFunction' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[79] (sizes) LineLength: Line is longer than 120 characters (found 128).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[83] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[24,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.enums.*' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.*'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[25,52] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.enums.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[36,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.Arrays'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Arrays' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.HashMap' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[41,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.UUID' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[42,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[46,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLDeliveryActuationModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[47,18] (modifier) ModifierOrder: 'static' modifier out of order with the JLS suggestions.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[48,18] (modifier) ModifierOrder: 'static' modifier out of order with the JLS suggestions.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[49,18] (modifier) ModifierOrder: 'static' modifier out of order with the JLS suggestions.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[98] (sizes) LineLength: Line is longer than 120 characters (found 132).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[105,46] (whitespace) WhitespaceAround: WhitespaceAround: '->' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[105,46] (whitespace) WhitespaceAround: WhitespaceAround: '->' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[108,46] (whitespace) WhitespaceAround: WhitespaceAround: '->' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[108,46] (whitespace) WhitespaceAround: WhitespaceAround: '->' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[118,62] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[118,84] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[144,85] (whitespace) OperatorWrap: '+' should be on a new line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[151,9] (whitespace) WhitespaceAfter: 'if' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[151,9] (whitespace) WhitespaceAround: WhitespaceAround: 'if' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[151,36] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[157,1] (whitespace) FileTabCharacter: Line contains a tab character.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[158,1] (whitespace) FileTabCharacter: Line contains a tab character.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[158,9] (indentation) Indentation: 'method def modifier' has incorrect indentation level 8, expected level should be 4.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[158,9] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[169] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[175,94] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[177,69] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModule.java:[182] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryKnowledgeModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryKnowledgeModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryKnowledgeModule.java:[24,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLDeliveryKnowledgeModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.LinkedHashMap'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[26,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLDeliveryDecisionModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[33] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[38] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModule.java:[43] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/DataBaseException.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:[18,54] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:[26,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/CommonException.java:[26,28] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/IntentInputException.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/exception/ErrorMessage.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[38,1] (imports) CustomImportOrder: Extra separation in import group before 'jakarta.annotation.Resource'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.*' import. Should be before 'org.springframework.transaction.annotation.Transactional'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[39,17] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - java.util.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[83] (sizes) LineLength: Line is longer than 120 characters (found 128).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[91,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[103,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[114] (sizes) LineLength: Line is longer than 120 characters (found 130).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[114,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[144] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[150,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[161,74] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[162,29] (naming) LocalVariableName: Local variable name 'bFindExpectation' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[163,84] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[21,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[33,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[35,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Locale' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[55] (sizes) LineLength: Line is longer than 120 characters (found 132).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[57] (sizes) LineLength: Line is longer than 120 characters (found 179).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[64] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[79,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[85] (sizes) LineLength: Line is longer than 120 characters (found 147).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[86] (sizes) LineLength: Line is longer than 120 characters (found 155).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[99] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[116,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[116,17] (naming) MethodName: Method name 'UpdateIntentInfo' must match pattern '^[a-z][a-z0-9][a-zA-Z0-9_]*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[127,74] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[128,29] (naming) LocalVariableName: Local variable name 'bFindExpectation' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[129,84] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModule.java:[145] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputActuationModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputActuationModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:[25,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModule.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/CommonUtil.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/CommonUtil.java:[27,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/CustomTrustManager.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/CustomTrustManager.java:[19,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.security.cert.CertificateException' import. Should be before 'javax.net.ssl.X509TrustManager'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/CustomTrustManager.java:[20,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.security.cert.X509Certificate' import. Should be before 'javax.net.ssl.X509TrustManager'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[32,1] (imports) CustomImportOrder: Extra separation in import group before 'java.io.IOException'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.io.IOException' import. Should be before 'org.apache.http.util.EntityUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.apache.http.util.EntityUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Set' import. Should be before 'org.apache.http.util.EntityUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[36,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.ENCODING_UTF8' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[46,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[47,32] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[47,32] (whitespace) NoWhitespaceBefore: ',' is preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/HttpUtil.java:[47,37] (whitespace) NoWhitespaceBefore: ',' is preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[36,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[36,60] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[49] (sizes) LineLength: Line is longer than 120 characters (found 142).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[49,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[49,142] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[63,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[63,58] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[69,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/DmaapUtil.java:[69,98] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[33,1] (imports) CustomImportOrder: Extra separation in import group before 'javax.net.ssl.*'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'javax.net.ssl.*' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[33,21] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - javax.net.ssl.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletRequest' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[35,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.io.BufferedReader' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.io.IOException' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.security.SecureRandom' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.TimeUnit' import. Should be before 'retrofit2.converter.jackson.JacksonConverterFactory'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[50,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[56,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[71,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[71,26] (naming) AbbreviationAsWordInName: Abbreviation in name 'getMSBIAGAddress' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[80,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[102,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[102,36] (naming) AbbreviationAsWordInName: Abbreviation in name 'getSSLSocketFactory' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[110,31] (blocks) EmptyCatchBlock: Empty catch block.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/util/RestfulServices.java:[116,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[43] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[47] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[52] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[57] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[62] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[65,45] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/common/ResponseConsts.java:[65,45] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[44,1] (imports) CustomImportOrder: Extra separation in import group before 'jakarta.annotation.Resource'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[44,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[45,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Iterator' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[46,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[47,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[48,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[49,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[54,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessIntentManagementFunction' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[98] (sizes) LineLength: Line is longer than 120 characters (found 128).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[135,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[147,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[158,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[159] (sizes) LineLength: Line is longer than 120 characters (found 130).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModule.java:[28,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessActuationModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[37,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Map' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[41,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[45,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessDecisionModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[65,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[71] (sizes) LineLength: Line is longer than 120 characters (found 136).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[83,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[99,17] (coding) VariableDeclarationUsageDistance: Distance between variable 'subIntentGoalBean' declaration and its first usage is 5, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[101] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[115,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[120] (sizes) LineLength: Line is longer than 120 characters (found 121).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[123] (sizes) LineLength: Line is longer than 120 characters (found 133).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[131] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[156] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[166,21] (naming) LocalVariableName: Local variable name 'bFindIntent' must match pattern '^[a-z]([a-z0-9][a-zA-Z0-9]*)?$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModule.java:[192] (sizes) LineLength: Line is longer than 120 characters (found 126).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:[25,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessKnowledgeModule.java:[28,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessKnowledgeModule' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/ActuationModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/ActuationModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[21,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[25,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.beans.factory.annotation.Autowired'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[26,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.beans.factory.annotation.Autowired'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[27,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.beans.factory.annotation.Autowired'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[57] (sizes) LineLength: Line is longer than 120 characters (found 141).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[83] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[115,93] (whitespace) WhitespaceAround: WhitespaceAround: '+' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[115,93] (whitespace) WhitespaceAround: WhitespaceAround: '+' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[116] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[117] (sizes) LineLength: Line is longer than 120 characters (found 123).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/KnowledgeModule.java:[117,82] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[21,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[26,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[26,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.beans.BeanUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[27,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.beans.BeanUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[28,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.beans.BeanUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.beans.BeanUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[36,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[47,41] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[55] (sizes) LineLength: Line is longer than 120 characters (found 134).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[57] (sizes) LineLength: Line is longer than 120 characters (found 134).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[59] (sizes) LineLength: Line is longer than 120 characters (found 134).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[61] (javadoc) SummaryJavadoc: First sentence of Javadoc is missing an ending period.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[64] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[65] (javadoc) NonEmptyAtclauseDescription: At-clause should have a non-empty description.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[83,49] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[84,63] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[91,40] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[91,40] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[92,61] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[103,43] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[104,63] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[129,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[145,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[158,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[164,31] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentModule/DecisionModule.java:[165,51] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[38,1] (imports) CustomImportOrder: Extra separation in import group before 'jakarta.annotation.Resource'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.annotation.Resource' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.ScheduledThreadPoolExecutor' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[41,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.concurrent.TimeUnit' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[42,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.stream.Collectors' import. Should be before 'org.springframework.util.CollectionUtils'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[44,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.bean.enums.IntentGoalType.CREATE' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[67,70] (whitespace) EmptyLineSeparator: ';' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[68] (sizes) LineLength: Line is longer than 120 characters (found 129).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[68,129] (whitespace) EmptyLineSeparator: ';' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[69,81] (whitespace) EmptyLineSeparator: ';' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/IntentManagementFunction.java:[105] (sizes) LineLength: Line is longer than 120 characters (found 173).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.contextService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[32,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[34,1] (whitespace) EmptyLineSeparator: 'CLASS_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[44] (sizes) LineLength: Line is longer than 120 characters (found 153).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[44,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[44,55] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[44,75] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[44,153] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[50,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[50,77] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[72,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[72,78] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[86,69] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[97,42] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[109] (sizes) LineLength: Line is longer than 120 characters (found 141).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[109,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[109,141] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[111,50] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[146,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[146,73] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[149,7] (indentation) CommentsIndentation: Comment has incorrect indentation level 6, expected is 8, indentation should be the same level as line 150.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[153,69] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[165,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[165,66] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[173,84] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[181,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[181,77] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextService.java:[188,92] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentFunctionManageService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:[21,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.ServiceResult'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:[23,18] (naming) AbbreviationAsWordInName: Abbreviation in name 'IMFRegInfoService' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/IMFRegInfoService.java:[24,86] (whitespace) NoWhitespaceBefore: ';' is preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentFunctionManageService.impl' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[32,1] (imports) CustomImportOrder: Extra separation in import group before 'java.lang.reflect.InvocationTargetException'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.lang.reflect.InvocationTargetException' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[35,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RESPONSE_ERROR' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[36,1] (imports) CustomImportOrder: Import statement for 'org.onap.usecaseui.intentanalysis.common.ResponseConsts.RSEPONSE_SUCCESS' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[40,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'IMFRegInfoServiceImpl' must contain no more than '2' consecutive capital letters.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[60] (sizes) LineLength: Line is longer than 120 characters (found 127).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[69,9] (whitespace) WhitespaceAround: WhitespaceAround: 'try' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[69,12] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[70,55] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[71] (sizes) LineLength: Line is longer than 120 characters (found 127).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[72,9] (whitespace) WhitespaceAround: WhitespaceAround: '}' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[72,10] (whitespace) WhitespaceAround: WhitespaceAround: 'catch' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[72,10] (whitespace) WhitespaceAround: WhitespaceAround: 'catch' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentFunctionManageService/impl/IMFRegInfoServiceImpl.java:[72,36] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentinterfaceservice' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:[24,57] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/IntentInterfaceService.java:[26,57] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentinterfaceservice.impl' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[25,1] (imports) CustomImportOrder: Extra separation in import group before 'java.time.LocalDateTime'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.time.LocalDateTime' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[31] (sizes) LineLength: Line is longer than 120 characters (found 124).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[36,17] (indentation) Indentation: 'if' child has incorrect indentation level 16, expected level should be 12.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[44] (sizes) LineLength: Line is longer than 120 characters (found 124).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentinterfaceservice/impl/IntentInterfaceServiceImpl.java:[54] (sizes) LineLength: Line is longer than 120 characters (found 124).
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.intentEventRecord' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.List'
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.stereotype.Service'.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[31,76] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[31,93] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[32,69] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[36,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[36,76] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[36,96] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[37,8] (indentation) Indentation: 'method def' child has incorrect indentation level 7, expected level should be 8.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[37,78] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[44] (javadoc) AtclauseOrder: Javadoc comment at column 20 has parse error. Missed HTML close tag 'IntentEventRecord'. Sometimes it means that close tag missed for one of previous tags.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[46,66] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[46,86] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/main/java/org/onap/usecaseui/intentanalysis/intentBaseService/intentEventRecord/IntentEventRecordService.java:[47,74] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentInfoTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ObjectType'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationObjectTest.java:[24,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ObjectType'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.OperatorType'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ConditionTest.java:[45,56] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.junit.Test'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[32,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[33,37] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[39,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ContextTest.java:[40,37] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentTest.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentTest.java:[22,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.junit.Test'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTargetTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTargetTest.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTargetTest.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ExpectationType'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTest.java:[23,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/ExpectationTest.java:[23,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.enums.ExpectationType'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentManagementFunctionRegInfoTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/bean/models/IntentGoalBeanTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[30,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[36,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[40,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[41,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.times' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[42,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.verify' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[46,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLAssuranceActuationModuleTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[60,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 13, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[68,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'targetList' declaration and its first usage is 7, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[72,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'conditionList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[95,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[96,38] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[97,8] (indentation) CommentsIndentation: Comment has incorrect indentation level 7, expected is 8, indentation should be the same level as line 98.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[98,66] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[107,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[108,48] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[109,8] (indentation) CommentsIndentation: Comment has incorrect indentation level 7, expected is 8, indentation should be the same level as line 110.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[113,75] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[116,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/cllassurancemodule/CLLAssuranceActuationModuleTest.java:[117,39] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:[18,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.servlet.FilterChain' import. Should be before 'java.io.IOException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:[19,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.servlet.ServletException' import. Should be before 'java.io.IOException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:[20,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletRequest' import. Should be before 'java.io.IOException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:[21,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletResponse' import. Should be before 'java.io.IOException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:[32] (sizes) LineLength: Line is longer than 120 characters (found 123).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/IntentAnalysisApplicationTests.java:[43,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[23,1] (imports) CustomImportOrder: 'java.io.IOException' should be separated from previous import group by one line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.adapters.policy.impl.PolicyServiceImpl'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[60,27] (naming) AbbreviationAsWordInName: Abbreviation in name 'policyAPICall' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[63,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateAndDeployCLLPolicySuccess' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[71,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateAndDeployCLLPolicyFailedCreateFailed' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[78,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateAndDeployCLLPolicyFailedDeployFailed' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[85,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testUndeployAndRemoveCLLPolicySuccess' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[92,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testUndeployAndRemoveCLLPolicySuccessPolicyNotExist' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[106,68] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[113,75] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[120,71] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/policy/PolicyServiceTest.java:[127,71] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[23,34] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.mockito.Mockito.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[43,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'SOServiceTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[54,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[55,23] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[65,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateCCVPNInstanceFailedCCVPNInstanceIsNull' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[72,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateCCVPNInstanceFailedException' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[78,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateCCVPNInstanceFailedJobIdNull' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[79,20] (naming) AbbreviationAsWordInName: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[94,20] (naming) AbbreviationAsWordInName: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[102,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateCCVPNInstanceGetCreateStatusFailed' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[103,20] (naming) AbbreviationAsWordInName: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[113,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testCreateCCVPNInstanceSuccess' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/adapters/so/SOServiceTest.java:[114,20] (naming) AbbreviationAsWordInName: Abbreviation in name 'mockedSuccessJSONObject' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationServiceTest.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.exception.DataBaseException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationServiceTest.java:[60,54] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationServiceTest.java:[66,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectation' declaration and its first usage is 15, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.exception.DataBaseException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:[80] (sizes) LineLength: Line is longer than 120 characters (found 136).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:[115] (sizes) LineLength: Line is longer than 120 characters (found 121).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationObjectServiceTest.java:[129] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[22,1] (imports) CustomImportOrder: Extra separation in import group before 'org.junit.Assert'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[26,52] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.enums.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[28,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Condition' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.FulfillmentInfo' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Context' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.Expectation' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationTarget' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.bean.models.ExpectationObject' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.bean.models.Intent'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[62,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intent' declaration and its first usage is 24, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[63,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectation1' declaration and its first usage is 12, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[64,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'target1' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[65,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'object1' declaration and its first usage is 10, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[66,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intentContext' declaration and its first usage is 18, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/IntentServiceTest.java:[67,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intentFulfillmentInfo' declaration and its first usage is 21, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:[23,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:[30,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:[31,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/IntentReportServiceTest.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[33,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringJUnit4ClassRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringJUnit4ClassRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[36,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[50,5] (javadoc) MissingJavadocMethod: Missing a Javadoc comment.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ImfRegInfoServiceImplTest.java:[59,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'itCanInsertIMFRegInfoRegInfo' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImplTest.java:[34,1] (imports) CustomImportOrder: Extra separation in import group before 'java.io.File'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImplTest.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.io.File' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/impl/ComponentNotificationServiceImplTest.java:[35,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.nio.charset.StandardCharsets' import. Should be before 'org.springframework.stereotype.Component'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetServiceTest.java:[32,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.exception.DataBaseException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetServiceTest.java:[61,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'target' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/service/ExpectationTargetServiceTest.java:[142] (sizes) LineLength: Line is longer than 120 characters (found 122).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:[17,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:[35,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:[35,34] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.mockito.Mockito.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/controller/IntentControllerTest.java:[124] (sizes) LineLength: Line is longer than 120 characters (found 135).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[17,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[17,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[28,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[36,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[36,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.Collections' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[40,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[44,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLDeliveryActuationModuleTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[69,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'gbExpectationList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[79,23] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not followed by whitespace. Empty blocks may only be represented as {} when not part of a multi-block statement (4.1.3)
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[87,77] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[91,36] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[95,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[96,37] (whitespace) MethodParamPad: '(' is preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[96,39] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[98,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intent' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[99,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 8, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[103,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'targetList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[119,89] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryActuationModuleTest.java:[120,65] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[17,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[17,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[28,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[33,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[33,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[34,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[36,1] (imports) CustomImportOrder: Import statement for 'org.junit.jupiter.api.Assertions.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[36,47] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.junit.jupiter.api.Assertions.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[37,1] (whitespace) EmptyLineSeparator: 'CLASS_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[39,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLDeliveryDecisionModuleTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[49,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 15, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[59,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationTargetList' declaration and its first usage is 8, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[63,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'targetConditionList' declaration and its first usage is 5, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[63,44] (whitespace) WhitespaceAround: WhitespaceAround: '=' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[91,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[92,39] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[94,32] (whitespace) WhitespaceAfter: ';' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[94,33] (whitespace) WhitespaceAround: WhitespaceAround: '}' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/clldeliverymodule/CLLDeliveryDecisionModuleTest.java:[94,33] (extension) RightCurlyAlone: '}' at column 33 should be alone on a line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[18,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[39,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[41,1] (whitespace) EmptyLineSeparator: 'CLASS_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[50,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[54,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[82,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[83,44] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[84] (sizes) LineLength: Line is longer than 120 characters (found 130).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[87,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[88,34] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[92,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[93,39] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[98,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputDecisionModuleTest.java:[111,72] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[18,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt.formatintentinputModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[32,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[37,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[37,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[38,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[40,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.anyString' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[57,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[95,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intentContexts' declaration and its first usage is 7, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[99,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'conditionList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/formatintentinputModule/FormatIntentInputKnowledgeModuleTest.java:[99,58] (whitespace) WhitespaceAfter: ';' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.formatintentinputMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[47,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[47,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[48,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[49,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[51,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.mock' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[80,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunctionTest.java:[151,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[60,45] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[61,10] (indentation) Indentation: 'method def' child has incorrect indentation level 9, expected level should be 8.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[62,10] (indentation) Indentation: 'method def' child has incorrect indentation level 9, expected level should be 8.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[63,6] (indentation) Indentation: 'method def rcurly' has incorrect indentation level 5, expected level should be 4.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[66,52] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[67,10] (indentation) Indentation: 'method def' child has incorrect indentation level 9, expected level should be 8.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[67,104] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[68,10] (indentation) Indentation: 'method def' child has incorrect indentation level 9, expected level should be 8.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/DmaapUtilTest.java:[69,6] (indentation) Indentation: 'method def rcurly' has incorrect indentation level 5, expected level should be 4.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:[18,1] (imports) CustomImportOrder: Wrong lexicographical order for 'jakarta.servlet.http.HttpServletRequest' import. Should be before 'java.io.IOException'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:[20,1] (imports) CustomImportOrder: Extra separation in import group before 'okhttp3.RequestBody'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:[25,1] (imports) CustomImportOrder: Wrong lexicographical order for 'org.onap.usecaseui.intentanalysis.IntentAnalysisApplicationTests' import. Should be before 'org.onap.usecaseui.intentanalysis.adapters.policy.apicall.PolicyAPICall'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/util/RestFulServicesTest.java:[47,17] (naming) AbbreviationAsWordInName: Abbreviation in name 'testGetMSBAddressSuccess' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[17,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[31,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[41,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[41,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[42,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[44,1] (imports) CustomImportOrder: Import statement for 'org.junit.jupiter.api.Assertions.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[44,47] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.junit.jupiter.api.Assertions.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[45,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[46,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.anyString' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[50,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessDecisionModuleTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[67,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[104] (sizes) LineLength: Line is longer than 120 characters (found 131).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[105] (sizes) LineLength: Line is longer than 120 characters (found 144).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[106,1] (indentation) CommentsIndentation: Comment has incorrect indentation level 0, expected is 8, indentation should be the same level as line 107.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[119,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intentGoalBeanList' declaration and its first usage is 4, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[161,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'originIntentGoal' declaration and its first usage is 8, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[184,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'intentGoalBean' declaration and its first usage is 5, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessDecisionModuleTest.java:[184,72] (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.cllBusinessModule' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[29,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[29,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[30,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[32,1] (imports) CustomImportOrder: Import statement for 'org.junit.jupiter.api.Assertions.*' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[32,47] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.junit.jupiter.api.Assertions.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[33,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.times' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[34,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.verify' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[38,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessActuationModuleTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[43,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/cllBusinessModule/CLLBusinessActuationModuleTest.java:[44,37] (whitespace) WhitespaceAround: WhitespaceAround: '{' is not preceded with whitespace.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[16,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[16,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[29,53] (imports) AvoidStarImport: Using the '.*' form of import should be avoided - org.onap.usecaseui.intentanalysis.bean.models.*.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[50,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[50,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[51,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.LinkedHashMap' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[52,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[54,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[55,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.mock' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[59,14] (naming) AbbreviationAsWordInName: Abbreviation in name 'CLLBusinessIntentManagementFunctionTest' must contain no more than '2' consecutive capital letters.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[87,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'expectationList' declaration and its first usage is 6, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunctionTest.java:[119,5] (whitespace) EmptyLineSeparator: 'METHOD_DEF' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[17,1] (whitespace) EmptyLineSeparator: 'package' should be separated from previous line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[17,9] (naming) PackageName: Package name 'org.onap.usecaseui.intentanalysis.intentBaseService.contextService' must match pattern '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[39,1] (imports) CustomImportOrder: Extra separation in import group before 'java.util.ArrayList'
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[39,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.ArrayList' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[40,1] (imports) CustomImportOrder: Wrong lexicographical order for 'java.util.List' import. Should be before 'org.springframework.test.context.junit4.SpringRunner'.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[42,1] (imports) CustomImportOrder: Import statement for 'org.mockito.ArgumentMatchers.any' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[43,1] (imports) CustomImportOrder: Import statement for 'org.mockito.Mockito.when' is in the wrong order. Should be in the 'STATIC' group, expecting not assigned imports on this line.
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[86,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[109] (sizes) LineLength: Line is longer than 120 characters (found 146).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[115,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[140,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] src/test/java/org/onap/usecaseui/intentanalysis/intentBaseService/contextService/IntentContextServiceTest.java:[163,9] (coding) VariableDeclarationUsageDistance: Distance between variable 'contextList' declaration and its first usage is 9, but allowed 3.  Consider making that variable final if you still need to store its value in advance (before method calls that might have side effects on the original value).
  [WARNING] checkstyle:check violations detected but failOnViolation set to false
  [INFO] You have 1071 Checkstyle violations.
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ usecase-ui.intent-analysis ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] Copying 25 resources
  [INFO] Copying 0 resource
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.11.0:compile (default-compile) @ usecase-ui.intent-analysis ---
  [INFO] Changes detected - recompiling the module! :dependency
  [INFO] Compiling 137 source files with javac [debug target 17] to target/classes
  [WARNING] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllBusinessIntentMgt/CLLBusinessIntentManagementFunction.java:[52,1] Generating equals/hashCode implementation but without a call to superclass, even though this class does not extend java.lang.Object. If this is intentional, add '@EqualsAndHashCode(callSuper=false)' to your type.
  [WARNING] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/cllassuranceIntentmgt/CLLAssuranceIntentManagementFunction.java:[42,1] Generating equals/hashCode implementation but without a call to superclass, even though this class does not extend java.lang.Object. If this is intentional, add '@EqualsAndHashCode(callSuper=false)' to your type.
  [WARNING] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/models/FulfillmentOperation.java:[21,1] Generating equals/hashCode implementation but without a call to superclass, even though this class does not extend java.lang.Object. If this is intentional, add '@EqualsAndHashCode(callSuper=false)' to your type.
  [WARNING] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/clldeliveryIntentmgt/CLLDeliveryIntentManagementFunction.java:[42,1] Generating equals/hashCode implementation but without a call to superclass, even though this class does not extend java.lang.Object. If this is intentional, add '@EqualsAndHashCode(callSuper=false)' to your type.
  [WARNING] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/formatintentinputMgt/FormatIntentInputManagementFunction.java:[42,1] Generating equals/hashCode implementation but without a call to superclass, even though this class does not extend java.lang.Object. If this is intentional, add '@EqualsAndHashCode(callSuper=false)' to your type.
  [INFO] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java: Some input files use or override a deprecated API.
  [INFO] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/adapters/policy/impl/PolicyServiceImpl.java: Recompile with -Xlint:deprecation for details.
  [INFO] 
  [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ usecase-ui.intent-analysis ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] Copying 11 resources
  [INFO] 
  [INFO] --- maven-compiler-plugin:3.11.0:testCompile (default-testCompile) @ usecase-ui.intent-analysis ---
  [INFO] Changes detected - recompiling the module! :dependency
  [INFO] Compiling 34 source files with javac [debug target 17] to target/test-classes
  [INFO] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/TestCall.java: Some input files use or override a deprecated API.
  [INFO] /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/src/test/java/org/onap/usecaseui/intentanalysis/util/TestCall.java: Recompile with -Xlint:deprecation for details.
  [INFO] 
  [INFO] --- maven-surefire-plugin:2.22.2:test (default-test) @ usecase-ui.intent-analysis ---
  [INFO] Surefire report directory: /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis/target/surefire-reports
  [INFO] 
  [INFO] -------------------------------------------------------
  [INFO]  T E S T S
  [INFO] -------------------------------------------------------
  [INFO] Running org.onap.usecaseui.intentanalysis.service.ExpectationObjectServiceTest
  
    .   ____          _            __ _ _
   /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
  ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
   \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
    '  |____| .__|_| |_|_| |_\__, | / / / /
   =========|_|==============|___/=/_/_/_/
   :: Spring Boot ::               (v3.0.11)
  
  2026-02-28 02:25:23:907  WARN 2281 --- [           main] ory$DuplicateJsonObjectContextCustomizer[78] : 
  
  Found multiple occurrences of org.json.JSONObject on the class path:
  
  	jar:file:/tmp/r/com/vaadin/external/google/android-json/0.0.20131108.vaadin1/android-json-0.0.20131108.vaadin1.jar!/org/json/JSONObject.class
  	jar:file:/tmp/r/org/json/json/20131018/json-20131018.jar!/org/json/JSONObject.class
  
  You may wish to exclude one of them to ensure predictable runtime behavior
  
  2026-02-28 02:25:23:932  INFO 2281 --- [           main] o.o.u.i.s.ExpectationObjectServiceTest  [51] : Starting ExpectationObjectServiceTest using Java 17.0.4 with PID 2281 (started by jenkins in /w/workspace/usecase-ui-intent-analysis-sonar/intentanalysis)
  2026-02-28 02:25:23:933 DEBUG 2281 --- [           main] o.o.u.i.s.ExpectationObjectServiceTest  [52] : Running with Spring Boot v3.0.11, Spring v6.0.12
  2026-02-28 02:25:23:934  INFO 2281 --- [           main] o.o.u.i.s.ExpectationObjectServiceTest  [632] : No active profile set, falling back to 1 default profile: "default"
  2026-02-28 02:25:24:897  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'conditionMapper' and 'org.onap.usecaseui.intentanalysis.mapper.ConditionMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:897  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'contextMapper' and 'org.onap.usecaseui.intentanalysis.mapper.ContextMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:898  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'expectationMapper' and 'org.onap.usecaseui.intentanalysis.mapper.ExpectationMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:899  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'expectationObjectMapper' and 'org.onap.usecaseui.intentanalysis.mapper.ExpectationObjectMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:899  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'expectationTargetMapper' and 'org.onap.usecaseui.intentanalysis.mapper.ExpectationTargetMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:900  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'fulfillmentInfoMapper' and 'org.onap.usecaseui.intentanalysis.mapper.FulfillmentInfoMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:900  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'IMFRegInfoMapper' and 'org.onap.usecaseui.intentanalysis.mapper.IMFRegInfoMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:900  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'intentEventRecordMapper' and 'org.onap.usecaseui.intentanalysis.mapper.IntentEventRecordMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:901  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'intentInstanceMapper' and 'org.onap.usecaseui.intentanalysis.mapper.IntentInstanceMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:902  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'intentMapper' and 'org.onap.usecaseui.intentanalysis.mapper.IntentMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:903  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'intentReportFulfillmentInfoMapper' and 'org.onap.usecaseui.intentanalysis.mapper.IntentReportFulfillmentInfoMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:903  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'intentReportMapper' and 'org.onap.usecaseui.intentanalysis.mapper.IntentReportMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:904  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : Skipping MapperFactoryBean with name 'objectInstanceMapper' and 'org.onap.usecaseui.intentanalysis.mapper.ObjectInstanceMapper' mapperInterface. Bean already defined with the same name!
  2026-02-28 02:25:24:905  WARN 2281 --- [           main] o.m.spring.mapper.ClassPathMapperScanner[44] : No MyBatis mapper was found in '[org.onap.usecaseui.intentanalysis.mapper]' package. Please check your configuration.
  2026-02-28 02:25:25:761  INFO 2281 --- [           main] com.zaxxer.hikari.HikariDataSource      [110] : HikariPool-1 - Starting...
  2026-02-28 02:25:26:141  INFO 2281 --- [           main] com.zaxxer.hikari.pool.HikariPool       [565] : HikariPool-1 - Added connection conn0: url=jdbc:h2:mem:test user=SA
  2026-02-28 02:25:26:144  INFO 2281 --- [           main] com.zaxxer.hikari.HikariDataSource      [123] : HikariPool-1 - Start completed.
  2026-02-28 02:25:26:369  INFO 2281 --- [           main] o.o.u.i.adapters.dmaap.MRTopicMonitor   [81] : Starting Dmaap Bus Monitor
  2026-02-28 02:25:26:672  INFO 2281 --- [           main] o.o.u.i.adapters.dmaap.MRTopicMonitor   [81] : Starting Dmaap Bus Monitor
  2026-02-28 02:25:27:238 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:241 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:271 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:279 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:291 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:292 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:295 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:297 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:302 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:304 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:309 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:310 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:314 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:316 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:319 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:321 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:324 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:325 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:332 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:334 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:338 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:339 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:342 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:343 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:351 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:353 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:357 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:356 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:364 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:365 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:368 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:369 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:373 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:374 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:379 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:380 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:384 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:385 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:389 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:390 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:394 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:395 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:403 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:404 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:407 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:408 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:413 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:414 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:418 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:419 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:423 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:423 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:428 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:428 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:433 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:433 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:438 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:438 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:444 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:444 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:449 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:449 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:453 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:453 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:462 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:462 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:477 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:477 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:481 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:481 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:484 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:487 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:487 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:494 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:494 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:498 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:498 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:501 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:501 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:513 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:526 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:529 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:529 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:537 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:537 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:541 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:541 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:552 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:553 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:556 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:556 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:560 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:561 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:563 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:563 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:566 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:566 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:569 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:570 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:574 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:574 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:579 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:580 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:583 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:583 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:589 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:589 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:592 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:592 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:598 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:598 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:601 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:601 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:604 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:604 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:611 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:611 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:614 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:614 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:617 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:617 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:622 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:622 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:631 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:631 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:634 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:634 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:637 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:638 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:640 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:640 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:643 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:644 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:649 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:649 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:652 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:652 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:658 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:658 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:661 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:661 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:679 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:681 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:684 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:687  INFO 2281 --- [           main] o.s.b.a.e.web.EndpointLinksResolver     [58] : Exposing 1 endpoint(s) beneath base path '/actuator'
  2026-02-28 02:25:27:688 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:688 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:713 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:713 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:716 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:717 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:722 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:722 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:725 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:725 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:732 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:733 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:735 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:736 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:738 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:738 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:743 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:743 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:746 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:746 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:749 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:749 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:753 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:753 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:758 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:758 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:761 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:762 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:763 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:768 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:768 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:771 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:771 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:779 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:779 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:781 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:782 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:784 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:784 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:790 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:790 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:792 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:792 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:795 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:795 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:803 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:803 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:805 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:806 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:808 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:808 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:811 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:811 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:813 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:813 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:818 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:818 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:820 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:821 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:825 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:825 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:836 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:836 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:840 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:841 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:843 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:843 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:847 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:848 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:850 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:850 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:853 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:853 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:858 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:858 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:862 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:862 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:868 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:868 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:870 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:870 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:873 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:873 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:876 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:877 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:879 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:883 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:883 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:887 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:887 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:889 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:889 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:893 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:893 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:895 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:895 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:898 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:899 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:901 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:901 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:908 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:910 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:910 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:914 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:914 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:920 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:921 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:923 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:924 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:926 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:927 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:938 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:938 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:943 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:943 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:946 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:947 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:949 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:949 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:951 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:951 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:953 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:953 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:956 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:956 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:958 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:960 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:962 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:963 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:965 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:965 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:967 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:968 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:981 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:982 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:991 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:991  INFO 2281 --- [           main] o.o.u.i.s.ExpectationObjectServiceTest  [57] : Started ExpectationObjectServiceTest in 4.442 seconds (process running for 6.243)
  2026-02-28 02:25:27:992 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:998 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:27:999 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:003 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:004 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:007 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:008 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:010 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:013 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:016 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:018 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:020 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:023 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:027 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:029 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:031 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:033 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:036 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:037 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:039 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:042 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:057 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:058 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:060 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:061 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:063 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:064 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:073 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:074 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:076 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:077 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:079 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:081 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:083 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:090 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:092 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:094 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:096 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:097 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:099 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:100 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:113 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:114 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:115 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:116 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:118 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:119 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:121 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:121 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:123 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:124 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:126 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:126 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:129 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:130 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:137 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:138 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:139 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:140 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:142 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:143 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:145 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:146 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:152 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:152 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:159 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:159 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:166 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:166 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:173 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:173 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:181 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:181 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:191 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:191 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:198 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:198 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:200 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:200 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:205 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:205 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:207 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:208 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:212 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:213 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:214 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:215 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:220 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:221 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:222 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:224 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:225 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:233 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:235 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:236 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:238 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:238 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:240 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:240 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:242 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:242 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:244 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:244 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:247 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:247 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:249 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:249 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:251 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:251 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:253 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:253 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:256 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:256 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:260 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:260 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:264 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:264 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:266 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:266 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:268 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:268 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:270 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:271 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:273 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:274 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:276 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:276 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:280 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:281 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:281 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:287 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:288 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:294 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:296 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:297 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:314 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:324 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:325 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:329 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:329 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:332 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:333 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:334 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:338 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:338 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:343 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:344 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:361 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:362 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:365 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:365 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:368 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:368 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:373 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:373 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:377 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:378 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:378 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:397 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:398 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:408 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:410 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:415 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:416 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:420 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:422 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:428 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:429 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:437 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:438 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:440 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:441 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:448 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:449 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:451 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:452 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:456 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:457 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:463 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:464 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:468 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:469 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:471 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:472 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:476 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:481 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:482 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:483 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:485 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:486 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:488 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:489 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:490 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:492 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:492 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:496 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:496 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:500 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:500 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:503 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:503 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:507 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:507 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:511 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:512 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:516 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:517 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:518 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:522 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:522 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:524 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:525 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:528 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:528 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:532 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:532 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:535 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:537 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:540 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:541 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:543 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:547 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:549 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:550 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:557 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:558 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:546 DEBUG 2281 --- [           main] o.o.u.i.m.IntentMapper.getIntentByName  [137] : ==>  Preparing: select intent_id intentId, intent_name intentName, intent_generateType intentGenerateType from intent where intent_name like ?
  2026-02-28 02:25:28:559 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:560 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:561 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:565 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:565 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:568 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:569 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:570 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:573 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:574 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:577 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:579 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:580 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:581 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:585 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:586 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:589 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:613 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:613 DEBUG 2281 --- [           main] o.o.u.i.m.IntentMapper.getIntentByName  [137] : ==> Parameters: CLLBusiness intent(String)
  2026-02-28 02:25:28:616 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:618 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:623 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:624 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:627 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:628 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:634 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:635 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:638 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:639 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:641 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:642 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:644 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:647 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:649 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:651 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:657 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:659 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:662 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:662 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:666 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:667 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:669 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:671 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:673 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:676 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:677 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:679 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:680 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:683 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:683 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:687 DEBUG 2281 --- [           main] o.o.u.i.m.IntentMapper.getIntentByName  [137] : <==      Total: 0
  2026-02-28 02:25:28:692 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:693 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:695  INFO 2281 --- [           main] o.o.u.i.service.impl.IntentServiceImpl  [171] : Intent list is null, intentName = CLLBusiness intent
  2026-02-28 02:25:28:696  INFO 2281 --- [           main] .u.i.f.f.FormatIntentInputDecisionModule[65] : FormatIntentInputMgt investigation create process start
  2026-02-28 02:25:28:704 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:705 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:712 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:713 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:715 DEBUG 2281 --- [           main] .u.i.f.f.FormatIntentInputDecisionModule[69] : FormatIntentInputMgt need decompose :false
  2026-02-28 02:25:28:716  INFO 2281 --- [           main] .u.i.f.f.FormatIntentInputDecisionModule[75] : FormatIntentInputMgt investigation create process finished
  2026-02-28 02:25:28:716 DEBUG 2281 --- [           main] o.o.u.i.i.intentModule.DecisionModule   [37] : definition create process start to define intent:CLLBusiness intent
  2026-02-28 02:25:28:716 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:717 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:719 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:720 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:722 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:722 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:724 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:725 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:726 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:729 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:729 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:731 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:733 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:733 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:739 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:739 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:741 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:741  INFO 2281 --- [           main] o.o.u.i.service.impl.IntentServiceImpl  [171] : Intent list is null, intentName = CLLBusiness intent
  2026-02-28 02:25:28:742 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:744 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:749 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:750 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:744  INFO 2281 --- [           main] o.o.u.i.c.c.CLLBusinessDecisionModule   [132] : CLLBusinessIntentManagementFunction investigation create process start
  2026-02-28 02:25:28:751 DEBUG 2281 --- [           main] o.o.u.i.c.c.CLLBusinessDecisionModule   [134] : CLLBusinessIntentManagementFunction need decompose :true
  2026-02-28 02:25:28:752 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:753 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:755 DEBUG 2281 --- [           main] o.o.u.i.m.I.getImfRegInfoList           [137] : ==>  Preparing: select imfr_info_id id,imfr_info_description description,support_area supportArea, support_model supportModel, support_interfaces supportInterfaces,handle_name handleName,intent_function_type intentFunctionType from intent_management_function_reg_info
  2026-02-28 02:25:28:755 DEBUG 2281 --- [           main] o.o.u.i.m.I.getImfRegInfoList           [137] : ==> Parameters: 
  2026-02-28 02:25:28:756 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:758 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:763 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:764 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:767 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:768 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:769 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:773 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:773 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:777 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:778 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:780 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:783 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:783 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:789 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:789 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:789 DEBUG 2281 --- [           main] o.o.u.i.m.I.getImfRegInfoList           [137] : <==      Total: 3
  2026-02-28 02:25:28:791  INFO 2281 --- [           main] o.o.u.i.c.c.CLLBusinessDecisionModule   [146] : CLLBusinessIntentManagementFunction investigation create process finished
  2026-02-28 02:25:28:792 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:794 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:794 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:796 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:796 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:798 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:798 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:800 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:800 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:802 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:803 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:805 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:807 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:807 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:809 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:810 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:811 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:814 DEBUG 2281 --- [           main] o.o.u.i.c.c.CLLBusinessDecisionModule   [147] : CLLBusinessIntentManagementFunction decomposed subIntent list name :CLL Delivery Intent,CLL Assurance Intent
  2026-02-28 02:25:28:816 DEBUG 2281 --- [           main] o.o.u.i.i.intentModule.DecisionModule   [37] : definition create process start to define intent:CLL Delivery Intent
  2026-02-28 02:25:28:816 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:816 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:820 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:821 DEBUG 2281 --- [           main] .i.c.CLLDeliveryIntentManagementFunction[82] : cllDelivery Intent create begin time:2026-02-28T02:25:28.821763868
  2026-02-28 02:25:28:823 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:824 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:826 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:827 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:828 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:830 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:830 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:833 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:833 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:834 DEBUG 2281 --- [           main] .i.c.CLLBusinessIntentManagementFunction[184] : Try to get record of intent CREATE event from DB.
  2026-02-28 02:25:28:835 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==>  Preparing: select id id, intent_id intentId, intent_name intentName, intent_status intentStatus, operate_type operateType from intent_event_record where intent_id = ? and operate_type=?;
  2026-02-28 02:25:28:837 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==> Parameters: 4b937846268e4afca85edb9cf33c62d7(String), CREATE(String)
  2026-02-28 02:25:28:837 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.mapper.IntentMapper.insertIntent[137] : ==>  Preparing: insert into Intent(intent_id, intent_name,intent_generateType) values(?, ?,?)
  2026-02-28 02:25:28:838 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : <==      Total: 0
  2026-02-28 02:25:28:838 DEBUG 2281 --- [           main] .i.c.CLLBusinessIntentManagementFunction[191] : Index 1: None Intent Event Record been got. Will try again.
  2026-02-28 02:25:28:839 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:839 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:841 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:841 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:843 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:843 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:844 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.mapper.IntentMapper.insertIntent[137] : ==> Parameters: 4b937846268e4afca85edb9cf33c62d7(String), CLL Delivery Intent(String), SYSTEMGENARATE(String)
  2026-02-28 02:25:28:845 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:845 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:846 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.mapper.IntentMapper.insertIntent[137] : <==    Updates: 1
  2026-02-28 02:25:28:847 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:848 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:849 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-02-28 02:25:28:850 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:850 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:852 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:28:853 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:853 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:853 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 0
  2026-02-28 02:25:28:855 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:855 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:855  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[84] : get expectationObject is empty,expectationId is 35fc29a6820b436a8ac7c59e4b10196a
  2026-02-28 02:25:28:857 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:857 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:859 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:860 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:862 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:862 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:864 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:864 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:866 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:866 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:868 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:868 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:870 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:871 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:873 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:874 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:876 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:877 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:879 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:880 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:882 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:883 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:884 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:887 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:887 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:889 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:890 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:897 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:899 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:902 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:903 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:905 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:906 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:908 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:910 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:912 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:914 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:919 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:920 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:922 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:924 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:927 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:928 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:931 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:932 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:938 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:939 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:940 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:943 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:943 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:945 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:945 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:947 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:947 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:950 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:950 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:949 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationObject     [137] : ==>  Preparing: insert into expectation_object(object_type, expectation_id) values (?, ?)
  2026-02-28 02:25:28:952 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationObject     [137] : ==> Parameters: CCVPN(String), 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:28:953 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:954 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:956 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:957 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:957 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:959 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:960 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:961 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:962 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:962 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:964 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:964 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:964 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationObject     [137] : <==    Updates: 1
  2026-02-28 02:25:28:966 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:966 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:28:967 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:28:968 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:969 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:970 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:971 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:971 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:28:972  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[77] : Successfully created expectation object to database.
  2026-02-28 02:25:28:973 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:974 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:976 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:978 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:978 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:980 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:980 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-02-28 02:25:28:981 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 098b7bec2e4a427d9584a1661760e647(String), condition of the cll service source(String), EQUALTO(String), tranportEp_src_ID_111_1(onu-1(companyA))(String), f207801744d547ed8ee02d6bb7571140(String)
  2026-02-28 02:25:28:982 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-02-28 02:25:28:981 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:982 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:982  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-02-28 02:25:28:984 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:985 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:986 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:986 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-02-28 02:25:28:988 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:988 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:989 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 8283863f33214b8ea16d1eef963259bb(String), condition of the cll service destination(String), EQUALTO(String), tranportEp_dst_ID_212_1(cloud-pop-1(cloud 1))(String), d030e9a142a345799809350a467d0a9d(String)
  2026-02-28 02:25:28:989 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-02-28 02:25:28:989  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-02-28 02:25:28:989 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:990 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-02-28 02:25:28:991 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 6e31ab686c7442a6ac437a687f95432b(String), condition of the cll service bandwidth(String), EQUALTO(String), 1000(String), fe449936d4ab4a6dadd37da71b24259a(String)
  2026-02-28 02:25:28:991 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:991 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:993 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:993 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:994 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-02-28 02:25:28:994  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-02-28 02:25:28:995 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:995 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:996 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:997 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:998 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:28:997 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationTargetList [137] : ==>  Preparing: insert into expectation_target(target_id, target_name, expectation_id) values (?, ?, ?) , (?, ?, ?) , (?, ?, ?)
  2026-02-28 02:25:28:999 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationTargetList [137] : ==> Parameters: f207801744d547ed8ee02d6bb7571140(String), source(String), 35fc29a6820b436a8ac7c59e4b10196a(String), d030e9a142a345799809350a467d0a9d(String), destination(String), 35fc29a6820b436a8ac7c59e4b10196a(String), fe449936d4ab4a6dadd37da71b24259a(String), bandwidth(String), 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:28:999 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationTargetList [137] : <==    Updates: 3
  2026-02-28 02:25:29:000 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:000 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:001 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:001 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:002  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationTargetServiceImpl[93] : Successfully created expectation target list to database.
  2026-02-28 02:25:29:003 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-02-28 02:25:29:003 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:003 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:005 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:29:007 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:007 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:008 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 0
  2026-02-28 02:25:29:008  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[84] : get expectationObject is empty,expectationId is 813ca55c38a94ecfae7e765b21fa690c
  2026-02-28 02:25:29:008 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationObject     [137] : ==>  Preparing: insert into expectation_object(object_type, expectation_id) values (?, ?)
  2026-02-28 02:25:29:009 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:009 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:009 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationObject     [137] : ==> Parameters: CCVPN(String), 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:29:010 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:011 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:011 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationObject     [137] : <==    Updates: 1
  2026-02-28 02:25:29:012 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:29:012 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:29:013 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:013 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:014 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:29:015  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[77] : Successfully created expectation object to database.
  2026-02-28 02:25:29:015 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:015 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:017 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:017 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:019 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-02-28 02:25:29:020 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 78f86eb5920641a39f5715b407484372(String), condition of the cll service bandwidth assurance(String), EQUALTO(String), 10(String), 7c4173125b114461ad61864f9e10c2f4(String)
  2026-02-28 02:25:29:021 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:021 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:022 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-02-28 02:25:29:022  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-02-28 02:25:29:023 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:023 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:025 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationTargetList [137] : ==>  Preparing: insert into expectation_target(target_id, target_name, expectation_id) values (?, ?, ?)
  2026-02-28 02:25:29:026 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationTargetList [137] : ==> Parameters: 7c4173125b114461ad61864f9e10c2f4(String), bandwidthAssurance(String), 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:29:027 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:027 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:029 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertExpectationTargetList [137] : <==    Updates: 1
  2026-02-28 02:25:29:030 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:030 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:029  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationTargetServiceImpl[93] : Successfully created expectation target list to database.
  2026-02-28 02:25:29:033 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:033 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:035 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertIntentExpectationList [137] : ==>  Preparing: insert into expectation(expectation_id, expectation_name, expectation_type, intent_id) values (?, ?, ?, ?) , (?, ?, ?, ?)
  2026-02-28 02:25:29:035 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertIntentExpectationList [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String), CLL Delivery Expectation(String), DELIVERY(String), 4b937846268e4afca85edb9cf33c62d7(String), 813ca55c38a94ecfae7e765b21fa690c(String), CLL Report Expectation(String), REPORT(String), 4b937846268e4afca85edb9cf33c62d7(String)
  2026-02-28 02:25:29:036 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.insertIntentExpectationList [137] : <==    Updates: 2
  2026-02-28 02:25:29:036  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.impl.ExpectationServiceImpl   [82] : Successfully created expectation list to database.
  2026-02-28 02:25:29:037 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-02-28 02:25:29:037 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 337fa14ceb544e8292be6f42bf0a4498(String), owner class name(String), EQUALTO(String), org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.CLLBusinessIntentManagementFunction(String), a16112bcc7434a1ba26bbf6d132e6ed3(String)
  2026-02-28 02:25:29:038 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-02-28 02:25:29:038  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-02-28 02:25:29:038 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-02-28 02:25:29:039 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 48bc0cd5d8794d58ab657a3c46895f7f(String), handler class name(String), EQUALTO(String), org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.CLLDeliveryIntentManagementFunction(String), 8c82e885447f4d3480c7b5d681411c5e(String)
  2026-02-28 02:25:29:039 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:039 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-02-28 02:25:29:039  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-02-28 02:25:29:040 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:041 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-02-28 02:25:29:041 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 24e9a2a2af984ca7b4fb6dfee66d5364(String), CLLBusiness intentid(String), EQUALTO(String), a50846be4e324abb8f4596bfb1a4b09d(String), 90258a1398db4f47a646718a158217df(String)
  2026-02-28 02:25:29:041 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-02-28 02:25:29:041 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:041  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-02-28 02:25:29:042 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:044 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertContextList           [137] : ==>  Preparing: insert into context(context_id, context_name, parent_id) values (?, ?, ?) , (?, ?, ?) , (?, ?, ?)
  2026-02-28 02:25:29:045 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertContextList           [137] : ==> Parameters: a16112bcc7434a1ba26bbf6d132e6ed3(String), owner info(String), 4b937846268e4afca85edb9cf33c62d7(String), 8c82e885447f4d3480c7b5d681411c5e(String), handler info(String), 4b937846268e4afca85edb9cf33c62d7(String), 90258a1398db4f47a646718a158217df(String), parentIntent info(String), 4b937846268e4afca85edb9cf33c62d7(String)
  2026-02-28 02:25:29:045 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.insertContextList           [137] : <==    Updates: 3
  2026-02-28 02:25:29:046  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [63] : Successfully created context list to database.
  2026-02-28 02:25:29:046 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.I.insertIntentInstance        [137] : ==>  Preparing: insert into intent_instance(intent_instance_id,intent_id) values (?,?);
  2026-02-28 02:25:29:046 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.I.insertIntentInstance        [137] : ==> Parameters: 02f7f245f6c945509bb53b79d2b7ba32(String), 4b937846268e4afca85edb9cf33c62d7(String)
  2026-02-28 02:25:29:047 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.I.insertIntentInstance        [137] : <==    Updates: 1
  2026-02-28 02:25:29:047  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.IntentServiceImpl  [89] : Successfully created intent to database.
  2026-02-28 02:25:29:051 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:053 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:054 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:056 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:056 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:058 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:058 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:060 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:060 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:062 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:062 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:067 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:068 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:069 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:071 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:072 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:073 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:080 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:080 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:082 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:082 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:083 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:085 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:088  INFO 2281 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [47] : [ http://uui-nlp:33011/api/online/predict ]   API POST calling is starting...... 
  2026-02-28 02:25:29:093 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:093 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:095 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:095 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:097 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:097 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:099 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:099 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:101 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:101 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:103 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:103 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:106 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:106 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:108 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:108 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:109 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:109 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:111 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:111 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:113 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:113 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:114 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:115 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:116 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:116 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:118 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:118 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:119 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:120 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:121 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:122 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:135 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:136 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:138 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:140 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:141 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:142 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:142 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:143 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:144 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:145 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:146 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:147 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:148 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:149 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:149 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:157 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:158 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:171 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:172 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:173 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:175 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:175 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:177 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:177 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:178 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:178 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:180 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:181 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:181 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:183 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:183 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:185 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:185 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:186 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:187 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:188 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:188 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:189 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:190 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:191 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:192 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:192 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:194 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:194 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:207 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:208 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:209 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:210 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:212 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:212 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:216 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:217 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:218 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:219 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:219 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:221 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:221 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:229 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:229 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:231 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:231 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:233 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:233 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:236 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:238 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:240 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:243 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:244 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:245 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:246 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:247 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:253 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:255 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:255 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:259 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:260 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:270 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:270 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:271 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:274 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:274 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:276 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:277 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:279 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:280 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:285 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:285 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:286 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:287 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:288 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:288 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:289 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:290 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:291 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:292 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:297 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:297 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:299 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:299 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:300 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:301 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:304 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:307 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:314 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:318 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:319 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:327 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:328 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:335 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:335 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:337 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:338 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:339 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:339 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:340 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:341 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:342 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:342 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:343 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:344 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:345 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:345 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:357 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:358 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:359 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:361 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:361 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:363 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:366 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:367 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:367 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:368 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:369 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:370 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:371 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:380 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:380 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:382 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:382 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:388 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:389 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:390 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:390 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:391 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:392 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:393 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:394 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:397 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:398 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:399 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:400 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:401 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:402 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:402 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:403 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:409 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:409 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:419 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:420 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:422 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:422 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:423 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:424 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:425 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:425 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:426 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:427 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:428 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:428 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:430 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:430 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:431 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:432 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:433 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:433 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:436 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:436 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:438 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:438 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:444 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:452 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:453 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:455 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:455 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:458 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:458 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:459 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:460 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:461 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:461 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:472 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:473 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:474 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:475 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:477 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:479 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:479 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:480 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:480 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:482 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:482 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:483 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:484 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:485 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:485 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:496 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:496 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:498 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:499 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:499 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:500 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:501 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:502 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:503 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:503 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:504 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:505 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:506 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:506 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:507 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:508 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:509 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:509 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:510 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:511 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:512 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:513 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:513 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:514 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:515 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:517 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:527 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:528 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:529 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:531 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:531 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:532 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:534 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:534 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:535 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:535 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:537 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:537 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:538 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:538 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:540 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:540 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:542 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:542 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:549 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:549 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:552 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:552 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:554 ERROR 2281 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [75] : IO Exception occured
  java.net.UnknownHostException: uui-nlp: System error
  	at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
  	at java.base/java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:933)
  	at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1529)
  	at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:852)
  	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1519)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1377)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
  	at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45)
  	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:112)
  	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
  	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
  	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
  	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
  	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
  	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
  	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
  	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
  	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
  	at org.onap.usecaseui.intentanalysis.util.HttpUtil.sendPostRequestByJson(HttpUtil.java:63)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.getPredictValue(CLLDeliveryActuationModule.java:150)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.directOperation(CLLDeliveryActuationModule.java:79)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.fulfillIntent(CLLDeliveryActuationModule.java:115)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:56)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:29)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  2026-02-28 02:25:29:555 ERROR 2281 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [79] : [ http://uui-nlp:33011/api/online/predict ]  API POST calling has finished! 
  2026-02-28 02:25:29:555  INFO 2281 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [47] : [ http://uui-nlp:33011/api/online/predict ]   API POST calling is starting...... 
  2026-02-28 02:25:29:558 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:559 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:558 ERROR 2281 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [75] : IO Exception occured
  java.net.UnknownHostException: uui-nlp
  	at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801)
  	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1519)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1377)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
  	at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45)
  	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:112)
  	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
  	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
  	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
  	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
  	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
  	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
  	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
  	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
  	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
  	at org.onap.usecaseui.intentanalysis.util.HttpUtil.sendPostRequestByJson(HttpUtil.java:63)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.getPredictValue(CLLDeliveryActuationModule.java:150)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.directOperation(CLLDeliveryActuationModule.java:79)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.fulfillIntent(CLLDeliveryActuationModule.java:115)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:56)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:29)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  2026-02-28 02:25:29:560 ERROR 2281 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [79] : [ http://uui-nlp:33011/api/online/predict ]  API POST calling has finished! 
  2026-02-28 02:25:29:560 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:560  INFO 2281 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [47] : [ http://uui-nlp:33011/api/online/predict ]   API POST calling is starting...... 
  2026-02-28 02:25:29:561 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:561 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:562 ERROR 2281 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [75] : IO Exception occured
  java.net.UnknownHostException: uui-nlp
  	at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801)
  	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1519)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1377)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
  	at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45)
  	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:112)
  	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
  	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
  	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
  	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
  	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
  	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
  	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
  	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
  	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
  	at org.onap.usecaseui.intentanalysis.util.HttpUtil.sendPostRequestByJson(HttpUtil.java:63)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.getPredictValue(CLLDeliveryActuationModule.java:150)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.directOperation(CLLDeliveryActuationModule.java:79)
  	at org.onap.usecaseui.intentanalysis.clldeliveryIntentmgt.clldeliverymodule.CLLDeliveryActuationModule.fulfillIntent(CLLDeliveryActuationModule.java:115)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:56)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:29)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  2026-02-28 02:25:29:562 ERROR 2281 --- [hread_Excutor-1] o.o.u.intentanalysis.util.HttpUtil      [79] : [ http://uui-nlp:33011/api/online/predict ]  API POST calling has finished! 
  2026-02-28 02:25:29:563 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:563 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:564 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:565 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:565 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectIntentExpectation     [137] : ==>  Preparing: select expectation_id expectationId, expectation_name expectationName, expectation_type expectationType from expectation where expectation_id = ?
  2026-02-28 02:25:29:566 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:566 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:567 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectIntentExpectation     [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:29:567 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:568 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:569 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:569 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectIntentExpectation     [137] : <==      Total: 1
  2026-02-28 02:25:29:570 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:570 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:572 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:572 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:573 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-02-28 02:25:29:573 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:574 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:575 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:576 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:29:576 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:576 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:578 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:578 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:579 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:580 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:581 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:582 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:582 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:583 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:584 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:584 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-02-28 02:25:29:585 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:586 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:586 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:587 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:587 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:29:588 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:589 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:29:589 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:589 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:591 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:591 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:592 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:593 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:594 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:594 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:29:594 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:29:596 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:595 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:597 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c(String)
  2026-02-28 02:25:29:598 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:598 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:603 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:608 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:609 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:610 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:29:610  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c
  2026-02-28 02:25:29:610  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c
  2026-02-28 02:25:29:611 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-02-28 02:25:29:612 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:612 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:613 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:29:614 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-02-28 02:25:29:614 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationTargetList [137] : ==>  Preparing: select target_id targetId, target_name targetName from expectation_target where expectation_id = ?
  2026-02-28 02:25:29:617 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationTargetList [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:29:620 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationTargetList [137] : <==      Total: 3
  2026-02-28 02:25:29:621 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-02-28 02:25:29:621 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: f207801744d547ed8ee02d6bb7571140(String)
  2026-02-28 02:25:29:623 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-02-28 02:25:29:623 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:29:623 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: f207801744d547ed8ee02d6bb7571140(String)
  2026-02-28 02:25:29:623 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:29:624  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = f207801744d547ed8ee02d6bb7571140
  2026-02-28 02:25:29:624 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:624 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-02-28 02:25:29:625 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:626 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:626 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: f207801744d547ed8ee02d6bb7571140(String)
  2026-02-28 02:25:29:627 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:627 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:629 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:629 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:630 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:630 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:631 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-02-28 02:25:29:632 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:632 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:633 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:633 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:634  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = f207801744d547ed8ee02d6bb7571140
  2026-02-28 02:25:29:635 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:635 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:636 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-02-28 02:25:29:636 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: d030e9a142a345799809350a467d0a9d(String)
  2026-02-28 02:25:29:636 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:636 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:647 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:647 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:649 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:649 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:651 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:651 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:652 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-02-28 02:25:29:652 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:29:652 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: d030e9a142a345799809350a467d0a9d(String)
  2026-02-28 02:25:29:653 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:653 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:654 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:654 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:655 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:29:655  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = d030e9a142a345799809350a467d0a9d
  2026-02-28 02:25:29:656 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:656 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:655 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-02-28 02:25:29:657 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: d030e9a142a345799809350a467d0a9d(String)
  2026-02-28 02:25:29:657 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-02-28 02:25:29:657  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = d030e9a142a345799809350a467d0a9d
  2026-02-28 02:25:29:657 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:657 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:659 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:659 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:659 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-02-28 02:25:29:660 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: fe449936d4ab4a6dadd37da71b24259a(String)
  2026-02-28 02:25:29:660 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:660 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:662 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-02-28 02:25:29:662 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:29:662 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: fe449936d4ab4a6dadd37da71b24259a(String)
  2026-02-28 02:25:29:662 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:662 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:664 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:664 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:665 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:29:665  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = fe449936d4ab4a6dadd37da71b24259a
  2026-02-28 02:25:29:665 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-02-28 02:25:29:665 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: fe449936d4ab4a6dadd37da71b24259a(String)
  2026-02-28 02:25:29:665 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:665 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:667 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:667 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-02-28 02:25:29:667  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = fe449936d4ab4a6dadd37da71b24259a
  2026-02-28 02:25:29:667 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:669 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:670 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:669 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:29:670 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:29:670 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:29:671  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 35fc29a6820b436a8ac7c59e4b10196a
  2026-02-28 02:25:29:671 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-02-28 02:25:29:671 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:29:673 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-02-28 02:25:29:673  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = 35fc29a6820b436a8ac7c59e4b10196a
  2026-02-28 02:25:29:680 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:680 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:682 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:683 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:685 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:685 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:692 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:693 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:693 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:695 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:695 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:697 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:697 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:698 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:699 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:700 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:700 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:701 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:702 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:703 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:703 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:707 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:708 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:709 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:710 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:711 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:712 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:712 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:723 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:724 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:725 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:726 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:726 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:728 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:728 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:730 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:730 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:731 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:731 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:733 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:733 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:734 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:734 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:736 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:736 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:737 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:738 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:739 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:739 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:740 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:741 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:742 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:742 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:743 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:744 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:756 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:757 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:758 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:759 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:759 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:761 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:761 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:762 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:762 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:764 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:764 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:765 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:765 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:767 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:767 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:768 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:768 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:770 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:770 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:771 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:771 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:773 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:773 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:774 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:775 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:776 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:776 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:788 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:789 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:790 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:790 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:791 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:791 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:793 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:793 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:794 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:794 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:796 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:796 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:798 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:798 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:799 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:799 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:801 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:801 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:802 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:802 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:804 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:804 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:805 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:806 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:807 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:807 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:808 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:809 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:812 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:812 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:813 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:814 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:815 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:817 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:823 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:823 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:836 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:836 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:838 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:838 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:838 DEBUG 2281 --- [           main] .i.c.CLLBusinessIntentManagementFunction[184] : Try to get record of intent CREATE event from DB.
  2026-02-28 02:25:29:839 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==>  Preparing: select id id, intent_id intentId, intent_name intentName, intent_status intentStatus, operate_type operateType from intent_event_record where intent_id = ? and operate_type=?;
  2026-02-28 02:25:29:839 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:840 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==> Parameters: 4b937846268e4afca85edb9cf33c62d7(String), CREATE(String)
  2026-02-28 02:25:29:840 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : <==      Total: 0
  2026-02-28 02:25:29:840 DEBUG 2281 --- [           main] .i.c.CLLBusinessIntentManagementFunction[191] : Index 2: None Intent Event Record been got. Will try again.
  2026-02-28 02:25:29:841 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:841 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:842 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:842 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:844 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:844 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:845 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:845 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:847 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:847 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:848 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:848 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:850 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:850 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:858 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:858 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:860 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:860 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:861 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:861 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:863 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:863 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:864 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:864 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:866 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:866 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:867 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:867 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:869 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:869 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:870 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:870 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:871 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:871 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:884 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:884 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:886 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:886 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:888 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:888 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:889 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:889 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:891 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:891 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:892 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:892 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:894 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:894 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:895 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:895 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:896 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:896 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:898 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:898 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:899 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:900 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:901 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:901 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:902 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:902 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:910 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:911 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:911 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:912 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:913 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:914 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:914 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:915 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:916 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:917 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:917 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:918 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:919 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:919 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:920 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:931 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:932 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:934 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:934 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:935 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:936 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:937 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:937 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:938 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:939 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:940 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:940 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:941 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:942 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:943 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:943 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:944 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:945 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:945 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:946 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:947 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:947 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:948 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:949 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:950 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:958 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:959 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:960 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:960 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:962 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:963 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:965 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:966 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:967 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:968 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:969 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:969 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:971 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:972 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:973 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:973 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:974 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:975 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:979 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:980 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:981 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:982 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:982 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:983 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:984 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:984 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:985 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:995 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:996 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:997 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:998 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:29:998 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:000 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:000 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:001 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:001 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:003 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:003 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:005 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:005 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:006 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:006 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:008 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:008 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:010 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:010 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:011 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:012 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:012 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:013 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:014 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:014 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:015 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:016 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:028 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:029 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:030 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:030 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:032 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:033 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:034 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:035 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:035 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:036 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:036 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:038 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:038 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:040 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:040 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:041 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:041 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:042 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:042 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:044 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:044 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:045 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:046 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:047 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:047 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:048 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:049 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:049 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:050 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:051 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:051 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:052 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:053 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:061 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:063 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:064 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:065 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:066 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:066 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:068 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:069 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:069 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:071 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:070 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:072 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:072 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:073 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:074 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:075 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:075 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:076 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:077 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:078 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:078 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:079 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:080 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:081 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:081 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:082 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:083 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:083 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:084 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:085 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:085 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:086 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:087 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:088 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:088 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:089 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:090 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:091 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:091 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:092 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:093 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:094 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:094 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:095 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:095 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:096 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:098 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:099 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:101 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:102 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:104 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:104 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:105 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:106 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:106 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:107 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:108 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:109 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:109 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:111 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:111 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:112 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:113 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:114 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:115 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:115 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:116 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:117 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:117 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:118 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:119 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:119 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:120 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:121 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:122 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:123 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:123 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:124 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:126 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:127 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:129 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:130 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:131 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:132 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:132 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:133 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:134 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:135 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:135 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:137 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:137 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:138 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:138 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:140 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:140 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:141 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:142 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:143 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:143 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:144 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:145 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:146 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:148 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:159 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:160 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:161 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:161 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:163 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:163 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:165 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:164 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:166 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:166 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:168 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:168 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:169 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:169 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:171 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:171 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:172 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:172 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:174 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:174 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:175 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:176 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:177 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:177 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:178 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:179 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:188 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:189 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:190 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:190 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:192 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:192 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:193 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:193 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:195 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:195 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:196 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:196 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:198 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:198 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:199 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:199 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:201 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:202 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:210 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:211 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:220 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:221 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:222 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:222 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:224 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:224 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:225 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:225 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:227 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:227 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:228 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:228 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:230 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:230 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:231 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:231 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:233 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:233 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:235 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:235 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:236 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:237 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:248 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:249 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:250 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:252 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:253 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:254 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:255 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:256 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:258 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:258 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:259 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:260 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:262 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:262 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:263 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:263 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:265 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:265 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:266 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:267 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:268 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:268 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:269 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:270 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:271 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:271 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:272 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:273 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:274 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:274 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:275 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:276 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:277 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:277 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:278 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:279 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:280 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:280 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:281 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:282 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:283 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:283 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:284 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:284 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:285 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:286 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:287 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:287 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:288 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:289 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:290 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:290 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:291 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:292 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:293 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:293 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:294 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:294 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:295 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:296 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:297 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:297 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:298 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:298 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:299 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:300 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:301 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:303 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:305 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:306 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:308 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:309 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:311 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:312 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:314 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:315 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:317 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:318 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:319 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:319 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:320 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:320 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:321 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:322 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:323 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:323 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:324 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:324 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:326 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:327 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:329 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:330 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:332 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:333 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:335 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:336 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:338 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:338 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:339 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:339 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:340 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:341 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:342 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:342 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:343 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:344 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:345 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:345 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:346 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:346 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:347 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:348 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:348 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:349 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:350 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:350 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:351 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:352 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:353 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:353 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:354 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:354 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:355 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:356 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:357 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:357 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:358 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:359 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:359 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:360 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:361 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:363 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:364 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:365 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:367 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:367 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:368 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:368 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:369 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:370 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:371 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:371 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:372 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:372 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:373 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:374 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:375 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:375 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:376 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:377 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:378 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:378 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:379 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:380 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:380 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:381 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:382 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:382 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:383 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:384 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:384 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:385 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:386 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:386 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:387 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:388 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:389 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:389 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:390 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:390 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:391 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:392 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:393 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:393 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:394 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:395 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:395 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:396 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:397 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:397 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:398 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:399 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:400 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:400 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:401 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:401 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:402 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:403 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:403 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:404 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:405 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:405 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:406 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:406 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:407 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:408 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:409 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:409 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:410 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:411 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:412 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:412 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:413 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:413 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:414 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:415 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:416 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:416 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:417 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:418 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:418 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:419 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:420 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:420 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:421 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:421 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:422 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:423 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:424 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:424 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:425 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:425 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:426 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:427 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:428 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:428 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:429 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:430 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:430 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:431 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:432 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:432 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:433 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:434 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:434 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:435 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:436 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:436 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:437 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:438 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:438 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:439 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:440 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:440 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:441 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:441 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:444 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:444 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:445 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:446 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:447 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:447 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:448 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:449 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:450 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:450 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:451 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:452 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:453 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:455 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:456 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:457 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:457 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:459 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:459 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:460 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:461 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:461 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:463 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:463 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:464 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:464 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:465 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:466 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:467 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:467 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:468 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:468 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:472 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:473 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:474 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:474 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:475 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:476 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:477 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:477 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:478 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:478 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:479 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:480 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:481 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:481 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:482 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:482 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:483 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:484 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:484 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:485 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:486 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:486 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:487 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:488 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:489 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:489 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:490 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:490 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:492 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:492 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:493 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:493 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:494 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:495 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:495 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:496 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:497 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:497 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:498 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:499 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:500 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:500 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:501 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:502 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:502 ERROR 2281 --- [hread_Excutor-1] o.o.u.i.adapters.so.impl.SOServiceImpl  [140] : Failed to send intent creation request. Details: msb-iag.onap: System error
  2026-02-28 02:25:30:503 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:503 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:504 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-02-28 02:25:30:504 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:504 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:504 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:30:505 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:506 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:507 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:508 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:508 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:508 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-02-28 02:25:30:509 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:509  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = 35fc29a6820b436a8ac7c59e4b10196a
  2026-02-28 02:25:30:510 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:510 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:511 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:512 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:512 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:512 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.insertFulfillmentInfo       [137] : ==>  Preparing: insert into fulfillment_info(fulfillment_info_id, fulfillment_info_status, not_fulfilled_state, not_fulfilled_reason,achieve_value) values (?, ?, ?, ?,?)
  2026-02-28 02:25:30:513 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:514 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:514 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:515 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:517 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:518 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:519 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:519 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:520 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:520 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:521 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:523 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:523 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:524 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:524 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:525 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:525 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:527 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:527 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:528 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:528 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:529 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.insertFulfillmentInfo       [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String), NOT_FULFILLED(String), FULFILMENTFAILED(String), msb-iag.onap: System error(String), null
  2026-02-28 02:25:30:529 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:530 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:530 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:531 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:531 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.F.insertFulfillmentInfo       [137] : <==    Updates: 1
  2026-02-28 02:25:30:532  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [46] : Successfully created fulfillment info to database.
  2026-02-28 02:25:30:532 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:532 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-02-28 02:25:30:532 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:30:533 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:534 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:534 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:535 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-02-28 02:25:30:535 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:536 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:536 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:30:536 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:30:537 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:537 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:538 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:538 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:537 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:30:539 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:30:539 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:540 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:541 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:541 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c(String)
  2026-02-28 02:25:30:541 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:542 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:30:542  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c
  2026-02-28 02:25:30:542  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c
  2026-02-28 02:25:30:542 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:543 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:542 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:542 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-02-28 02:25:30:544 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:30:545 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:545 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:545 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-02-28 02:25:30:546 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:546 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-02-28 02:25:30:546 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:547 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:30:547 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:548 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:548 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-02-28 02:25:30:548 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:549 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:30:549 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:30:549 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:550 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:550 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:30:551 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:30:551 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c(String)
  2026-02-28 02:25:30:551 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:30:551  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c
  2026-02-28 02:25:30:552 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:553 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:551  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c
  2026-02-28 02:25:30:556 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-02-28 02:25:30:556 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:30:557 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-02-28 02:25:30:557 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:30:557 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:30:558 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:30:558 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:30:559 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c(String)
  2026-02-28 02:25:30:559 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:559 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:30:559  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c
  2026-02-28 02:25:30:560 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:560 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-02-28 02:25:30:561 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:30:561 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:561 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:561 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-02-28 02:25:30:562 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:565 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:566 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:567 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:568 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:568 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:569 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:569 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:579 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:580 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:581 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:581 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:582 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:582 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:584 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:584 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:585 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:585 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:586 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:586 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:587 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:588 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:588 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==>  Preparing: insert into object_instance(parent_id, object_instance) values (?, ?)
  2026-02-28 02:25:30:589 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:589 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:590 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String), cll-9000000767048519(String)
  2026-02-28 02:25:30:591 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:591 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:592 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:592 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:593 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.insertObjectInstanceList    [137] : <==    Updates: 1
  2026-02-28 02:25:30:593 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:594 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:594 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:595 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:596 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:596 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:597 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:598 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:599 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:599 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.updateExpectationObject     [137] : ==>  Preparing: update expectation_object set object_type = ? where expectation_id = ?
  2026-02-28 02:25:30:599 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:604 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.updateExpectationObject     [137] : ==> Parameters: CCVPN(String), 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:30:605 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.updateExpectationObject     [137] : <==    Updates: 1
  2026-02-28 02:25:30:605  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[115] : Successfully updated expectation object to database.
  2026-02-28 02:25:30:605 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-02-28 02:25:30:605 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:30:606 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-02-28 02:25:30:606 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:30:606 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:30:606 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:30:607 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:30:607 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 5558cd9b-bc17-4512-bde6-50e01f0bc594(String)
  2026-02-28 02:25:30:607 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:30:607  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 5558cd9b-bc17-4512-bde6-50e01f0bc594
  2026-02-28 02:25:30:607  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 5558cd9b-bc17-4512-bde6-50e01f0bc594
  2026-02-28 02:25:30:607 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-02-28 02:25:30:608 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:30:608 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-02-28 02:25:30:608 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-02-28 02:25:30:608 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:30:608 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-02-28 02:25:30:612 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:612 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:614 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:614 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:616 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:616 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:618 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:618 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:620 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:620 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:621 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:30:622 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:622 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:623 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:30:625 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:30:626 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:626 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:627 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:30:627 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 5558cd9b-bc17-4512-bde6-50e01f0bc594(String)
  2026-02-28 02:25:30:628 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:30:629  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 5558cd9b-bc17-4512-bde6-50e01f0bc594
  2026-02-28 02:25:30:629  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 5558cd9b-bc17-4512-bde6-50e01f0bc594
  2026-02-28 02:25:30:629 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-02-28 02:25:30:629 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:630 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:629 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:30:631 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-02-28 02:25:30:632 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:632 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:641 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:30:642 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:30:643 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:30:644 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:644 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:645 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:30:645 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 5558cd9b-bc17-4512-bde6-50e01f0bc594(String)
  2026-02-28 02:25:30:646 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:647 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:647 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:30:648  INFO 2281 --- [hread_Excutor-1] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 5558cd9b-bc17-4512-bde6-50e01f0bc594
  2026-02-28 02:25:30:648 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-02-28 02:25:30:648 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:30:649 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-02-28 02:25:30:650 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:650 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:654 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==>  Preparing: insert into object_instance(parent_id, object_instance) values (?, ?)
  2026-02-28 02:25:30:654 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String), cll-9000000767048519(String)
  2026-02-28 02:25:30:655 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.O.insertObjectInstanceList    [137] : <==    Updates: 1
  2026-02-28 02:25:30:655 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.updateExpectationObject     [137] : ==>  Preparing: update expectation_object set object_type = ? where expectation_id = ?
  2026-02-28 02:25:30:655 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.updateExpectationObject     [137] : ==> Parameters: CCVPN(String), 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:30:656 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.E.updateExpectationObject     [137] : <==    Updates: 1
  2026-02-28 02:25:30:656  INFO 2281 --- [hread_Excutor-1] o.o.u.i.s.i.ExpectationObjectServiceImpl[115] : Successfully updated expectation object to database.
  2026-02-28 02:25:30:656  INFO 2281 --- [hread_Excutor-1] o.o.u.i.c.c.CLLDeliveryActuationModule  [188] : cllDeliveryActuationModule end to update originIntent subIntentInfo
  2026-02-28 02:25:30:661 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:660 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:664 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:664 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:665 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.I.insertIntentRecord          [137] : ==>  Preparing: insert into intent_event_record(intent_id, intent_name, intent_status, operate_type, parent_id) values(?, ?, ?, ?, ?)
  2026-02-28 02:25:30:666 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:666 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:668 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:668 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:669 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.I.insertIntentRecord          [137] : ==> Parameters: 4b937846268e4afca85edb9cf33c62d7(String), CLL Delivery Intent(String), success(String), CREATE(String), a50846be4e324abb8f4596bfb1a4b09d(String)
  2026-02-28 02:25:30:670 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:670 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:672 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:672 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:674 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:674 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:675 DEBUG 2281 --- [hread_Excutor-1] o.o.u.i.m.I.insertIntentRecord          [137] : <==    Updates: 1
  2026-02-28 02:25:30:677  INFO 2281 --- [hread_Excutor-1] o.o.u.i.Thread.CreateCallable           [63] : CLL Delivery Intent Intent operate finished
  2026-02-28 02:25:30:677 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:677 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:678 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:678 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:680 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:680 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:682 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:682 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:683 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:683 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:684 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:685 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:686 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:686 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:687 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:688 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:688 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:690 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:690 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:691 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:692 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:693 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:693 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:694 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:695 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:696 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:696 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:697 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:698 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:698 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:699 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:699 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:701 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:701 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:702 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:702 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:703 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:704 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:705 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:705 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:706 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:706 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:708 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:708 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:709 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:715 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:717 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:717 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:718 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:718 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:720 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:720 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:722 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:722 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:724 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:724 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:726 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:726 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:728 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:728 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:730 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:730 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:732 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:732 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:733 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:733 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:735 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:735 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:736 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:736 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:738 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:738 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:739 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:739 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:741 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:741 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:743 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:743 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:745 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:744 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:746 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:747 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:747 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:748 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:748 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:750 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:750 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:751 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:751 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:752 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:752 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:753 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:753 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:754 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:755 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:756 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:757 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:757 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:758 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:758 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:759 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:759 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:761 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:761 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:762 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:763 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:764 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:764 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:765 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:766 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:766 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:767 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:768 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:769 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:769 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:770 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:771 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:771 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:772 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:773 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:773 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:774 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:775 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:776 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:777 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:777 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:778 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:778 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:779 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:779 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:781 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:781 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:782 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:782 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:784 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:784 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:785 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:785 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:786 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:787 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:788 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:788 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:789 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:790 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:790 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:792 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:792 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:793 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:794 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:794 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:795 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:795 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:797 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:797 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:798 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:798 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:799 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:799 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:800 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:801 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:801 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:802 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:803 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:803 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:805 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:805 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:806 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:806 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:807 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:807 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:808 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:808 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:811 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:812 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:812 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:814 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:814 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:815 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:816 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:817 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:817 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:818 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:818 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:820 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:820 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:821 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:822 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:822 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:823 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:823 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:824 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:824 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:826 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:826 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:827 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:827 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:828 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:828 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:829 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:829 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:831 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:831 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:832 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:832 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:833 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:834 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:834 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:835 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:836 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:837 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:838 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:838 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:840 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:840 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:841 DEBUG 2281 --- [           main] .i.c.CLLBusinessIntentManagementFunction[184] : Try to get record of intent CREATE event from DB.
  2026-02-28 02:25:30:841 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==>  Preparing: select id id, intent_id intentId, intent_name intentName, intent_status intentStatus, operate_type operateType from intent_event_record where intent_id = ? and operate_type=?;
  2026-02-28 02:25:30:841 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==> Parameters: 4b937846268e4afca85edb9cf33c62d7(String), CREATE(String)
  2026-02-28 02:25:30:842 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : <==      Total: 1
  2026-02-28 02:25:30:842 DEBUG 2281 --- [           main] .i.c.CLLBusinessIntentManagementFunction[189] : Successfully got Intent Event Record from DB.
  2026-02-28 02:25:30:844 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:844 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:845 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:845 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:846 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:846 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:848 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:848 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:849 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:849 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:850 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:850 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:852 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:852 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:853 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:854 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:855 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:855 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:856 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:856 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:857 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:857 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:858 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:858 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:860 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:860 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:861 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:861 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:862 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:862 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:864 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:864 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:865 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:865 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:866 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:866 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:867 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:867 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:869 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:869 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:871 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:871 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:872 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:873 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:874 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:874 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:876 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:876 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:877 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:877 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:878 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:879 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:880 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:880 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:881 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:882 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:882 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:884 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:884 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:887 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:887 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:888 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:888 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:890 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:890 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:891 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:892 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:893 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:893 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:894 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:895 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:896 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:896 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:898 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:898 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:899 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:899 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:900 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:900 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:901 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:902 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:902 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:903 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:904 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:904 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:905 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:905 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:906 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:906 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:907 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:908 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:909 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:909 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:910 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:910 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:911 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:911 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:912 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:913 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:913 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:914 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:915 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:915 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:916 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:916 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:917 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:917 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:918 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:919 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:919 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:920 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:921 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:921 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:922 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:922 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:923 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:923 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:924 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:924 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:925 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:926 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:926 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:927 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:928 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:928 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:929 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:929 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:930 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:930 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:931 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:931 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:932 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:933 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:933 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:934 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:935 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:935 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:936 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:936 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:937 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:937 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:938 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:938 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:939 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:940 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:940 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:941 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:941 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:942 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:943 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:943 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:944 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:944 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:945 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:945 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:946 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:947 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:947 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:948 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:948 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:949 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:950 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:950 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:951 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:951 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:952 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:952 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:953 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:954 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:954 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:955 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:955 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:956 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:957 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:957 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:958 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:958 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:959 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:959 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:960 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:960 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:961 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:962 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:962 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:963 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:964 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:964 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:965 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:965 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:966 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:966 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:967 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:968 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:968 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:969 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:969 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:970 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:971 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:971 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:972 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:972 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:973 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:973 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:974 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:974 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:975 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:976 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:976 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:977 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:978 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:978 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:979 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:979 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:980 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:980 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:981 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:981 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:982 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:983 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:983 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:984 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:985 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:985 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:986 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:986 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:987 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:987 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:988 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:988 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:989 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:990 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:990 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:991 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:992 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:992 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:993 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:993 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:994 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:995 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:995 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:996 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:996 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:998 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:998 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:999 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:30:999 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:000 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:000 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:001 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:001 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:002 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:003 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:003 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:004 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:004 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:005 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:006 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:006 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:007 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:007 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:008 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:008 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:009 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:010 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:010 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:011 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:012 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:012 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:013 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:013 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:014 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:014 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:015 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:015 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:016 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:017 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:017 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:018 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:019 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:019 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:020 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:020 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:021 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:021 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:022 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:022 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:023 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:024 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:024 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:025 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:026 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:026 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:027 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:027 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:028 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:028 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:029 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:030 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:030 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:031 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:031 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:032 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:033 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:033 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:034 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:034 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:035 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:035 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:036 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:037 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:037 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:038 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:039 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:039 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:040 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:040 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:041 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:041 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:042 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:042 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:043 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:044 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:044 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:045 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:046 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:046 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:047 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:047 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:048 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:048 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:049 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:049 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:050 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:051 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:051 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:052 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:052 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:053 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:054 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:054 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:055 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:055 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:056 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:056 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:057 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:058 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:058 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:059 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:060 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:060 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:061 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:061 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:062 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:062 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:063 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:064 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:064 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:065 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:066 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:066 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:067 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:067 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:068 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:068 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:069 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:069 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:070 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:071 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:071 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:072 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:073 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:073 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:074 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:074 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:075 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:075 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:076 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:076 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:077 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:078 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:078 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:079 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:080 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:080 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:081 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:081 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:082 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:082 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:083 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:083 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:084 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:085 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:085 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:086 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:087 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:087 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:088 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:088 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:089 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:089 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:090 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:091 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:091 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:092 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:092 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:093 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:094 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:094 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:095 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:096 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:096 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:097 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:098 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:098 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:099 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:099 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:100 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:100 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:101 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:102 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:102 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:103 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:103 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:104 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:105 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:105 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:106 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:106 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:107 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:107 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:108 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:108 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:109 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:110 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:110 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:111 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:111 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:112 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:113 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:113 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:114 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:114 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:115 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:115 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:116 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:117 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:117 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:118 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:118 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:119 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:120 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:120 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:121 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:121 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:122 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:122 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:123 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:123 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:124 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:125 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:125 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:126 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:127 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:127 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:128 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:128 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:129 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:129 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:130 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:131 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:131 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:132 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:133 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:134 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:134 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:135 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:135 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:136 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:136 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:137 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:138 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:138 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:139 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:140 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:140 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:141 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:141 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:142 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:142 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:143 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:144 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:144 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:145 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:145 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:146 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:147 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:147 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:148 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:148 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:149 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:149 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:150 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:150 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:151 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:152 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:152 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:153 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:154 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:154 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:155 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:155 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:156 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:156 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:157 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:157 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:158 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:159 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:159 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:160 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:161 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:161 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:162 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:162 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:163 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:163 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:164 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:164 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:165 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:166 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:166 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:167 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:168 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:168 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:169 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:169 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:170 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:170 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:171 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:172 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:172 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:173 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:173 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:174 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:175 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:175 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:176 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:176 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:177 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:178 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:178 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:179 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:179 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:180 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:181 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:181 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:182 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:182 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:183 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:183 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:184 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:184 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:185 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:186 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:186 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:187 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:188 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:188 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:189 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:189 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:190 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:190 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:191 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:191 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:192 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:193 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:193 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:194 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:195 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:195 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:196 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:196 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:197 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:197 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:198 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:198 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:199 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:200 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:201 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:201 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:202 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:202 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:203 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:203 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:204 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:204 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:205 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:206 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:207 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:207 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:208 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:209 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:209 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:211 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:212 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:212 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:213 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:213 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:214 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:215 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:215 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:216 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:217 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:217 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:218 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:218 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:219 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:219 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:220 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:220 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:221 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:222 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:222 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:223 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:224 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:224 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:225 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:225 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:226 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:226 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:227 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:227 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:228 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:229 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:229 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:230 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:231 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:231 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:239 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:240 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:241 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:241 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:242 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:242 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:243 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:244 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:244 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:245 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:245 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:246 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:247 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:247 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:248 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:248 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:249 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:249 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:250 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:250 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:251 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:252 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:252 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:253 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:254 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:254 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:255 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:255 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:256 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:257 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:257 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:258 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:259 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:259 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:260 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:260 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:261 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:262 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:262 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:263 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:263 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:264 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:265 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:265 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:266 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:266 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:267 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:267 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:268 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:268 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:269 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:269 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:270 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:271 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:272 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:272 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:273 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:273 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:274 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:274 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:276 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:276 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:277 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:277 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:278 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:279 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:280 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:280 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:281 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:281 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:282 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:282 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:283 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:284 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:285 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:285 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:286 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:286 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:287 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:288 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:288 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:289 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:290 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:290 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:291 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:291 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:294 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:295 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:295 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:296 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:297 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:298 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:298 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:299 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:300 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:300 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:301 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:301 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:303 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:303 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:304 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:305 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:306 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:306 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:307 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:307 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:308 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:309 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:309 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:310 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:311 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:311 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:312 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:313 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:313 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:314 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:315 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:315 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:316 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:316 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:317 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:318 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:318 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:319 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:320 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:320 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:321 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:321 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:322 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:323 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:324 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:324 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:325 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:325 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:326 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:326 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:327 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:328 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:329 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:329 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:330 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:331 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:331 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:332 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:333 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:333 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:334 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:334 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:336 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:336 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:337 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:337 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:338 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:339 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:340 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:340 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:341 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:341 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:342 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:343 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:344 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:344 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:345 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:346 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:346 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:347 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:348 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:348 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:349 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:349 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:350 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:351 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:352 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:352 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:353 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:353 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:354 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:355 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:355 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:356 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:357 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:357 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:358 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:358 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:359 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:359 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:360 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:361 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:362 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:363 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:364 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:364 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:365 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:365 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:366 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:367 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:367 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:368 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:369 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:369 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:370 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:370 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:371 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:371 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:372 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:373 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:373 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:374 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:375 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:375 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:376 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:376 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:377 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:377 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:378 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:379 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:379 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:380 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:381 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:381 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:383 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:383 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:384 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:385 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:385 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:386 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:387 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:387 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:388 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:388 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:389 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:390 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:390 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:391 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:392 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:392 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:393 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:393 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:394 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:394 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:395 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:396 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:396 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:397 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:398 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:398 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:399 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:399 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:400 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:401 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:401 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:402 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:402 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:403 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:404 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:404 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:405 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:406 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:406 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:407 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:408 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:408 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:409 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:410 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:410 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:411 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:412 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:412 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:413 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:413 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:414 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:415 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:416 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:416 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:417 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:417 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:418 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:419 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:420 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:420 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:421 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:421 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:422 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:422 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:423 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:424 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:424 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:425 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:426 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:426 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:427 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:427 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:428 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:429 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:430 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:430 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:431 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:433 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:433 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:434 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:434 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:435 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:436 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:437 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:437 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:439 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:439 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:440 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:441 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:442 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:442 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:443 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:444 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:445 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:445 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:446 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:446 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:447 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:448 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:449 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:449 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:450 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:451 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:452 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:452 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:453 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:453 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:454 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:454 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:455 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:456 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:457 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:457 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:458 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:458 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:459 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:460 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:460 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:461 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:462 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:462 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:463 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:464 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:465 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:466 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:467 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:467 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:468 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:468 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:469 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:470 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:470 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:471 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:472 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:472 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:473 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:474 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:475 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:475 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:476 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:476 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:477 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:478 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:479 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:479 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:480 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:481 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:481 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:482 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:483 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:483 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:484 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:485 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:486 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:486 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:487 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:488 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:489 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:489 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:490 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:490 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:491 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:492 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:493 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:493 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:494 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:495 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:495 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:496 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:497 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:497 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:498 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:499 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:499 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:500 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:501 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:501 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:502 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:502 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:503 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:504 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:505 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:506 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:506 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:507 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:508 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:508 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:510 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:510 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:511 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:512 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:512 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:513 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:514 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:514 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:515 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:515 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:516 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:517 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:518 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:519 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:520 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:520 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:521 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:521 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:522 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:522 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:523 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:524 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:525 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:525 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:526 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:526 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:527 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:528 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:529 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:529 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:530 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:531 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:532 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:532 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:533 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:533 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:534 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:535 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:536 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:536 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:537 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:537 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:538 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:539 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:540 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:541 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:541 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:542 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:543 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:544 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:544 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:545 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:545 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:546 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:546 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:547 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:548 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:549 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:549 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:550 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:550 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:551 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:552 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:553 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:553 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:554 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:554 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:555 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:556 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:557 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:557 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:558 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:559 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:559 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:560 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:561 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:561 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:562 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:562 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:563 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:564 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:565 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:566 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:566 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:567 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:567 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:568 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:568 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:569 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:569 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:571 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:571 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:572 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:572 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:573 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:574 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:574 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:575 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:576 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:576 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:577 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:577 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:578 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:579 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:579 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:580 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:581 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:581 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:582 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:582 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:583 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:584 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:584 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:585 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:586 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:586 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:587 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:587 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:588 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:589 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:590 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:590 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:591 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:591 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:592 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:593 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:593 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:594 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:595 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:595 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:596 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:596 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:597 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:598 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:598 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:599 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:600 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:600 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:601 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:601 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:602 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:602 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:603 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:604 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:605 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:605 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:606 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:606 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:607 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:607 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:608 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:609 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:609 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:610 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:611 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:611 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:612 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:612 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:613 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:613 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:614 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:615 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:615 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:616 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:617 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:617 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:618 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:619 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:619 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:620 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:621 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:621 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:622 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:622 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:623 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:624 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:625 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:625 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:626 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:626 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:627 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:628 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:629 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:629 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:630 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:630 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:631 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:632 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:632 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:633 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:634 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:634 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:635 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:635 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:636 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:637 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:637 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:639 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:639 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:640 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:640 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:641 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:642 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:642 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:643 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:644 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:644 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:645 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:646 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:647 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:647 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:648 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:648 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:649 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:650 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:650 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:651 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:652 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:652 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:653 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:653 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:654 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:654 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:655 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:655 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:656 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:657 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:658 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:658 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:659 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:659 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:661 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:661 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:662 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:663 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:664 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:664 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:665 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:665 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:666 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:667 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:668 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:668 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:669 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:670 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:670 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:671 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:672 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:672 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:673 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:673 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:675 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:675 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:676 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:676 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:677 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:678 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:678 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:679 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:680 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:680 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:681 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:681 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:682 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:683 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:683 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:684 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:684 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:685 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:686 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:686 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:687 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:688 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:689 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:689 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:690 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:691 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:692 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:692 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:693 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:693 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:694 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:695 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:696 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:696 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:697 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:697 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:698 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:698 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:699 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:699 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:700 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:701 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:701 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:702 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:703 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:703 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:704 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:704 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:705 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:705 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:706 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:706 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:707 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:707 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:708 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:709 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:709 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:710 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:710 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:711 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:712 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:712 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:713 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:713 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:714 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:714 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:715 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:716 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:716 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:717 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:717 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:718 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:718 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:719 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:719 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:720 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:721 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:721 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:722 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:722 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:723 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:723 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:724 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:724 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:725 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:725 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:726 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:726 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:727 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:728 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:728 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:729 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:729 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:730 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:730 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:731 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:731 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:732 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:733 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:733 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:734 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:734 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:735 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:736 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:736 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:737 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:737 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:738 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:738 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:739 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:740 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:740 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:741 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:741 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:742 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:742 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:743 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:743 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:744 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:744 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:745 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:746 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:746 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:747 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:747 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:748 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:748 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:749 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:750 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:750 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:751 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:751 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:752 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:753 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:753 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:754 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:754 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:755 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:756 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:756 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:757 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:758 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:758 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:759 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:759 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:760 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:760 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:761 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:761 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:762 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:762 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:763 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:763 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:764 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:765 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:765 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:766 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:766 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:767 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:767 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:769 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:769 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:770 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:770 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:771 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:771 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:772 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:772 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:773 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:773 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:774 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:774 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:775 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:776 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:776 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:777 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:777 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:778 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:778 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:779 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:779 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:780 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:781 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:781 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:782 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:782 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:783 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:783 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:784 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:784 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:785 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:785 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:786 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:786 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:787 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:787 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:788 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:789 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:789 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:790 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:790 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:791 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:791 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:792 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:793 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:794 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:794 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:795 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:795 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:796 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:797 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:797 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:798 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:807 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:808 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:809 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:810 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:810 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:811 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:812 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:812 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:813 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:813 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:814 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:814 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:815 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:816 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:816 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:817 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:817 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:818 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:818 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:819 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:820 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:820 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:821 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:821 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:822 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:822 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:823 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:823 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:824 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:824 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:825 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:825 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:826 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:827 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:827 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:828 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:828 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:829 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:829 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:830 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:831 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:831 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:832 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:833 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:833 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:834 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:834 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:835 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:836 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:836 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:837 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:837 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:838 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:838 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:839 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:839 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:840 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:840 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:841 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:841 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:842 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:842 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:843 DEBUG 2281 --- [           main] o.o.u.i.i.intentModule.DecisionModule   [37] : definition create process start to define intent:CLL Assurance Intent
  2026-02-28 02:25:31:843 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:844 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:844 DEBUG 2281 --- [           main] i.c.CLLAssuranceIntentManagementFunction[82] : cllAssurance Intent CREATE begin time:2026-02-28T02:25:31.844780476
  2026-02-28 02:25:31:845 DEBUG 2281 --- [           main] i.c.CLLAssuranceIntentManagementFunction[83] : main
  2026-02-28 02:25:31:845 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:846 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:846 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:848 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:848 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:849 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:849 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:850 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:850 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:851 DEBUG 2281 --- [           main] .i.c.CLLBusinessIntentManagementFunction[184] : Try to get record of intent CREATE event from DB.
  2026-02-28 02:25:31:851 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:851 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==>  Preparing: select id id, intent_id intentId, intent_name intentName, intent_status intentStatus, operate_type operateType from intent_event_record where intent_id = ? and operate_type=?;
  2026-02-28 02:25:31:852 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==> Parameters: 16c4ffecfe154ee894dc29bda333115a(String), CREATE(String)
  2026-02-28 02:25:31:852 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:852 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : <==      Total: 0
  2026-02-28 02:25:31:852 DEBUG 2281 --- [           main] .i.c.CLLBusinessIntentManagementFunction[191] : Index 1: None Intent Event Record been got. Will try again.
  2026-02-28 02:25:31:853 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:853 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:852 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.mapper.IntentMapper.insertIntent[137] : ==>  Preparing: insert into Intent(intent_id, intent_name,intent_generateType) values(?, ?,?)
  2026-02-28 02:25:31:854 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:854 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:854 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.mapper.IntentMapper.insertIntent[137] : ==> Parameters: 16c4ffecfe154ee894dc29bda333115a(String), CLL Assurance Intent(String), SYSTEMGENARATE(String)
  2026-02-28 02:25:31:855 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:856 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:856 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.mapper.IntentMapper.insertIntent[137] : <==    Updates: 1
  2026-02-28 02:25:31:856 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:857 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:857 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-02-28 02:25:31:857 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:858 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: 918a384c600849328fa9e0e5eca47043(String)
  2026-02-28 02:25:31:858 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:858 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 0
  2026-02-28 02:25:31:858 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:859 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:859  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationObjectServiceImpl[84] : get expectationObject is empty,expectationId is 918a384c600849328fa9e0e5eca47043
  2026-02-28 02:25:31:859 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-02-28 02:25:31:860 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:860 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:860 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: 918a384c600849328fa9e0e5eca47043(String)
  2026-02-28 02:25:31:861 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:861 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-02-28 02:25:31:862 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==>  Preparing: insert into object_instance(parent_id, object_instance) values (?, ?)
  2026-02-28 02:25:31:862 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:863 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:863 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==> Parameters: 918a384c600849328fa9e0e5eca47043(String), cll-9000000767048519(String)
  2026-02-28 02:25:31:863 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.insertObjectInstanceList    [137] : <==    Updates: 1
  2026-02-28 02:25:31:864 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationObject     [137] : ==>  Preparing: insert into expectation_object(object_type, expectation_id) values (?, ?)
  2026-02-28 02:25:31:864 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationObject     [137] : ==> Parameters: CCVPN(String), 918a384c600849328fa9e0e5eca47043(String)
  2026-02-28 02:25:31:865 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationObject     [137] : <==    Updates: 1
  2026-02-28 02:25:31:866 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:31:868 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:868 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 918a384c600849328fa9e0e5eca47043(String)
  2026-02-28 02:25:31:868 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:31:869  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationObjectServiceImpl[77] : Successfully created expectation object to database.
  2026-02-28 02:25:31:869 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-02-28 02:25:31:869 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 323c638fb4fc4a9d92d5a68c21bf5d08(String), condition of the cll service bandwidth assurance(String), EQUALTO(String), true(String), 23c04e29b5f741e4a755e672f4e5df05(String)
  2026-02-28 02:25:31:870 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-02-28 02:25:31:868 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:871  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-02-28 02:25:31:872 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationTargetList [137] : ==>  Preparing: insert into expectation_target(target_id, target_name, expectation_id) values (?, ?, ?)
  2026-02-28 02:25:31:872 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationTargetList [137] : ==> Parameters: 23c04e29b5f741e4a755e672f4e5df05(String), bandwidthAssurance(String), 918a384c600849328fa9e0e5eca47043(String)
  2026-02-28 02:25:31:872 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationTargetList [137] : <==    Updates: 1
  2026-02-28 02:25:31:873  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationTargetServiceImpl[93] : Successfully created expectation target list to database.
  2026-02-28 02:25:31:873 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-02-28 02:25:31:873 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: fd841253903140f28f924f7b7306448a(String)
  2026-02-28 02:25:31:874 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 0
  2026-02-28 02:25:31:874  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationObjectServiceImpl[84] : get expectationObject is empty,expectationId is fd841253903140f28f924f7b7306448a
  2026-02-28 02:25:31:875 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-02-28 02:25:31:875 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: fd841253903140f28f924f7b7306448a(String)
  2026-02-28 02:25:31:876 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 0
  2026-02-28 02:25:31:876 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==>  Preparing: insert into object_instance(parent_id, object_instance) values (?, ?)
  2026-02-28 02:25:31:877 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.insertObjectInstanceList    [137] : ==> Parameters: fd841253903140f28f924f7b7306448a(String), cll-9000000767048519(String)
  2026-02-28 02:25:31:877 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.insertObjectInstanceList    [137] : <==    Updates: 1
  2026-02-28 02:25:31:878 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationObject     [137] : ==>  Preparing: insert into expectation_object(object_type, expectation_id) values (?, ?)
  2026-02-28 02:25:31:878 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationObject     [137] : ==> Parameters: CCVPN(String), fd841253903140f28f924f7b7306448a(String)
  2026-02-28 02:25:31:879 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationObject     [137] : <==    Updates: 1
  2026-02-28 02:25:31:879 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:879 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:880 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:31:880 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: fd841253903140f28f924f7b7306448a(String)
  2026-02-28 02:25:31:881 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:31:882  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationObjectServiceImpl[77] : Successfully created expectation object to database.
  2026-02-28 02:25:31:882 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:882 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:882 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-02-28 02:25:31:883 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:884 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: ccfd0ca2ffde4c1ba31c24053ffb0014(String), condition of the cll service bandwidth assurance(String), EQUALTO(String), 10(String), 4223bed06d5c4f4cbe36b6ff3056c1f1(String)
  2026-02-28 02:25:31:883 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:884 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-02-28 02:25:31:885  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-02-28 02:25:31:885 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:885 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:886 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationTargetList [137] : ==>  Preparing: insert into expectation_target(target_id, target_name, expectation_id) values (?, ?, ?)
  2026-02-28 02:25:31:886 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationTargetList [137] : ==> Parameters: 4223bed06d5c4f4cbe36b6ff3056c1f1(String), bandwidthAssurance(String), fd841253903140f28f924f7b7306448a(String)
  2026-02-28 02:25:31:887 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertExpectationTargetList [137] : <==    Updates: 1
  2026-02-28 02:25:31:887  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationTargetServiceImpl[93] : Successfully created expectation target list to database.
  2026-02-28 02:25:31:887 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:887 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:889 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertIntentExpectationList [137] : ==>  Preparing: insert into expectation(expectation_id, expectation_name, expectation_type, intent_id) values (?, ?, ?, ?) , (?, ?, ?, ?)
  2026-02-28 02:25:31:889 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:889 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:890 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertIntentExpectationList [137] : ==> Parameters: 918a384c600849328fa9e0e5eca47043(String), CLL Assurance Expectation(String), ASSURANCE(String), 16c4ffecfe154ee894dc29bda333115a(String), fd841253903140f28f924f7b7306448a(String), CLL Report Expectation(String), REPORT(String), 16c4ffecfe154ee894dc29bda333115a(String)
  2026-02-28 02:25:31:890 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:890 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:891 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.insertIntentExpectationList [137] : <==    Updates: 2
  2026-02-28 02:25:31:892 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:892 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:892  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.impl.ExpectationServiceImpl   [82] : Successfully created expectation list to database.
  2026-02-28 02:25:31:892 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-02-28 02:25:31:893 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 9a082edaaa7348e5a69a68d767260deb(String), owner class name(String), EQUALTO(String), org.onap.usecaseui.intentanalysis.cllBusinessIntentMgt.CLLBusinessIntentManagementFunction(String), 935ca35b061e40f68506373458ccd447(String)
  2026-02-28 02:25:31:895 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:895 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-02-28 02:25:31:895  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-02-28 02:25:31:895 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:895 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-02-28 02:25:31:895 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 88af7810ff004cc3847aaefb75972e91(String), handler class name(String), EQUALTO(String), org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.CLLAssuranceIntentManagementFunction(String), 93f6c8680068438ca841439fb8fc0277(String)
  2026-02-28 02:25:31:896 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:896 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-02-28 02:25:31:897  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-02-28 02:25:31:897 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:897 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:897 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==>  Preparing: insert into condition(condition_id, condition_name, operator_type, condition_value, parent_id) values (?, ?, ?, ?, ?)
  2026-02-28 02:25:31:898 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:898 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:899 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : ==> Parameters: 6ee1409f678746b585813ecd60212b21(String), CLLBusiness intentid(String), EQUALTO(String), a50846be4e324abb8f4596bfb1a4b09d(String), be72cbee86f64da8ba60add893733388(String)
  2026-02-28 02:25:31:899 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertConditionList         [137] : <==    Updates: 1
  2026-02-28 02:25:31:899  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.impl.ConditionServiceImpl     [51] : Successfully created condition list to database.
  2026-02-28 02:25:31:899 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:900 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertContextList           [137] : ==>  Preparing: insert into context(context_id, context_name, parent_id) values (?, ?, ?) , (?, ?, ?) , (?, ?, ?)
  2026-02-28 02:25:31:899 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:900 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:902 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertContextList           [137] : ==> Parameters: 935ca35b061e40f68506373458ccd447(String), owner info(String), 16c4ffecfe154ee894dc29bda333115a(String), 93f6c8680068438ca841439fb8fc0277(String), handler info(String), 16c4ffecfe154ee894dc29bda333115a(String), be72cbee86f64da8ba60add893733388(String), parentIntent info(String), 16c4ffecfe154ee894dc29bda333115a(String)
  2026-02-28 02:25:31:903 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:903 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:903 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.insertContextList           [137] : <==    Updates: 3
  2026-02-28 02:25:31:903  INFO 2281 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [63] : Successfully created context list to database.
  2026-02-28 02:25:31:903 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.I.insertIntentInstance        [137] : ==>  Preparing: insert into intent_instance(intent_instance_id,intent_id) values (?,?);
  2026-02-28 02:25:31:904 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.I.insertIntentInstance        [137] : ==> Parameters: a2d00cc1c05648eaa05647859f08bd21(String), 16c4ffecfe154ee894dc29bda333115a(String)
  2026-02-28 02:25:31:904 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.I.insertIntentInstance        [137] : <==    Updates: 1
  2026-02-28 02:25:31:904  INFO 2281 --- [hread_Excutor-2] o.o.u.i.service.impl.IntentServiceImpl  [89] : Successfully created intent to database.
  2026-02-28 02:25:31:904 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:904 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:906 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:906 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:907 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:907 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:908 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.IntentMapper.getIntentByName  [137] : ==>  Preparing: select intent_id intentId, intent_name intentName, intent_generateType intentGenerateType from intent where intent_name like ?
  2026-02-28 02:25:31:908 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:908 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:909 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.IntentMapper.getIntentByName  [137] : ==> Parameters: CLL Delivery Intent(String)
  2026-02-28 02:25:31:910 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:910 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:911 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:911 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:912 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.IntentMapper.getIntentByName  [137] : <==      Total: 1
  2026-02-28 02:25:31:912 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:913 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:913 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectIntentExpectationList [137] : ==>  Preparing: select expectation_id expectationId, expectation_name expectationName, expectation_type expectationType from expectation where intent_id = ?
  2026-02-28 02:25:31:914 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:914 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:914 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectIntentExpectationList [137] : ==> Parameters: 4b937846268e4afca85edb9cf33c62d7(String)
  2026-02-28 02:25:31:916 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:916 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectIntentExpectationList [137] : <==      Total: 2
  2026-02-28 02:25:31:916 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-02-28 02:25:31:916 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:917 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:918 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:31:918 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:918 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:919 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-02-28 02:25:31:920 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:31:921 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:31:921 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:921 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:921 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:31:923 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:31:923 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:923 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:923 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c(String)
  2026-02-28 02:25:31:925 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:31:925  INFO 2281 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c
  2026-02-28 02:25:31:925  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 5704b34a-12fd-49a7-a4df-ba60fcbb7f2c
  2026-02-28 02:25:31:926 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-02-28 02:25:31:926 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:926 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:927 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:31:927 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:927 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:928 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 1
  2026-02-28 02:25:31:928 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:929 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationTargetList [137] : ==>  Preparing: select target_id targetId, target_name targetName from expectation_target where expectation_id = ?
  2026-02-28 02:25:31:930 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationTargetList [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:31:931 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:931 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:932 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationTargetList [137] : <==      Total: 3
  2026-02-28 02:25:31:932 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:932 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:933 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-02-28 02:25:31:934 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:934 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:935 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: f207801744d547ed8ee02d6bb7571140(String)
  2026-02-28 02:25:31:935 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:935 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:936 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:936 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:936 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-02-28 02:25:31:936 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:31:937 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: f207801744d547ed8ee02d6bb7571140(String)
  2026-02-28 02:25:31:938 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:31:938  INFO 2281 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = f207801744d547ed8ee02d6bb7571140
  2026-02-28 02:25:31:939 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-02-28 02:25:31:939 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: f207801744d547ed8ee02d6bb7571140(String)
  2026-02-28 02:25:31:940 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-02-28 02:25:31:941 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:941 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:943  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = f207801744d547ed8ee02d6bb7571140
  2026-02-28 02:25:31:943 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-02-28 02:25:31:943 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: d030e9a142a345799809350a467d0a9d(String)
  2026-02-28 02:25:31:943 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:943 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:944 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-02-28 02:25:31:944 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:31:944 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: d030e9a142a345799809350a467d0a9d(String)
  2026-02-28 02:25:31:944 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:31:944  INFO 2281 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = d030e9a142a345799809350a467d0a9d
  2026-02-28 02:25:31:944 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:944 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:945 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-02-28 02:25:31:945 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: d030e9a142a345799809350a467d0a9d(String)
  2026-02-28 02:25:31:946 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:946 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:946 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-02-28 02:25:31:947 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:947  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = d030e9a142a345799809350a467d0a9d
  2026-02-28 02:25:31:947 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-02-28 02:25:31:948 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:948 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: fe449936d4ab4a6dadd37da71b24259a(String)
  2026-02-28 02:25:31:948 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:949 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:950 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:950 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:950 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-02-28 02:25:31:951 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:31:951 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:951 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:951 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: fe449936d4ab4a6dadd37da71b24259a(String)
  2026-02-28 02:25:31:952 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:952 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:953 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:31:953  INFO 2281 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = fe449936d4ab4a6dadd37da71b24259a
  2026-02-28 02:25:31:953 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-02-28 02:25:31:953 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: fe449936d4ab4a6dadd37da71b24259a(String)
  2026-02-28 02:25:31:954 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-02-28 02:25:31:954 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:954 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:955  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = fe449936d4ab4a6dadd37da71b24259a
  2026-02-28 02:25:31:955 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:31:955 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:956 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:31:956 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:956 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:31:957  INFO 2281 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 35fc29a6820b436a8ac7c59e4b10196a
  2026-02-28 02:25:31:957 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:958 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-02-28 02:25:31:958 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: 35fc29a6820b436a8ac7c59e4b10196a(String)
  2026-02-28 02:25:31:958 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:959 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:959 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 1
  2026-02-28 02:25:31:960 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:960 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:960 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==>  Preparing: select object_type objectType from expectation_object where expectation_id = ?
  2026-02-28 02:25:31:960 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:31:962 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObject     [137] : <==      Total: 1
  2026-02-28 02:25:31:962 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:962 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:963 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==>  Preparing: select object_id from expectation_object where expectation_id = ?
  2026-02-28 02:25:31:963 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:963 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:963 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:31:964 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:964 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:965 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationObjectId   [137] : <==      Total: 1
  2026-02-28 02:25:31:965 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:31:965 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:965 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 5558cd9b-bc17-4512-bde6-50e01f0bc594(String)
  2026-02-28 02:25:31:966 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:966 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:967 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:31:967  INFO 2281 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 5558cd9b-bc17-4512-bde6-50e01f0bc594
  2026-02-28 02:25:31:967 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:967 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:967  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.ExpectationObjectServiceImpl[92] : Expectation object is null, expectationObjectId = 5558cd9b-bc17-4512-bde6-50e01f0bc594
  2026-02-28 02:25:31:968 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==>  Preparing: select object_instance from object_instance where parent_id = ?
  2026-02-28 02:25:31:968 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:968 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:968 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:31:969 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.O.getObjectInstances          [137] : <==      Total: 1
  2026-02-28 02:25:31:970 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:970 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:970 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationTargetList [137] : ==>  Preparing: select target_id targetId, target_name targetName from expectation_target where expectation_id = ?
  2026-02-28 02:25:31:971 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:971 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationTargetList [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:31:971 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:972 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.E.selectExpectationTargetList [137] : <==      Total: 1
  2026-02-28 02:25:31:973 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-02-28 02:25:31:973 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: 7c4173125b114461ad61864f9e10c2f4(String)
  2026-02-28 02:25:31:974 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:974 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:975 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:974 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-02-28 02:25:31:975 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:976 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:31:976 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 7c4173125b114461ad61864f9e10c2f4(String)
  2026-02-28 02:25:31:976 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:31:976  INFO 2281 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 7c4173125b114461ad61864f9e10c2f4
  2026-02-28 02:25:31:976 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:976 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-02-28 02:25:31:977 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:977 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: 7c4173125b114461ad61864f9e10c2f4(String)
  2026-02-28 02:25:31:977 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:978 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-02-28 02:25:31:978  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = 7c4173125b114461ad61864f9e10c2f4
  2026-02-28 02:25:31:979 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:31:979 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:979 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:979 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:31:980 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 0
  2026-02-28 02:25:31:980 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:981 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:981  INFO 2281 --- [hread_Excutor-2] o.o.u.i.service.impl.ContextServiceImpl [152] : Context list is null, parentId = 813ca55c38a94ecfae7e765b21fa690c
  2026-02-28 02:25:31:981 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-02-28 02:25:31:982 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: 813ca55c38a94ecfae7e765b21fa690c(String)
  2026-02-28 02:25:31:982 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:982 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-02-28 02:25:31:982 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:983  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = 813ca55c38a94ecfae7e765b21fa690c
  2026-02-28 02:25:31:983 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==>  Preparing: select context_id contextId, context_name contextName from context where parent_id = ?
  2026-02-28 02:25:31:984 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : ==> Parameters: 4b937846268e4afca85edb9cf33c62d7(String)
  2026-02-28 02:25:31:984 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:984 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:985 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectContextList           [137] : <==      Total: 3
  2026-02-28 02:25:31:986 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-02-28 02:25:31:986 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: a16112bcc7434a1ba26bbf6d132e6ed3(String)
  2026-02-28 02:25:31:987 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:987 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-02-28 02:25:31:987 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:988 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:989 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-02-28 02:25:31:989 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: 8c82e885447f4d3480c7b5d681411c5e(String)
  2026-02-28 02:25:31:989 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:990 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-02-28 02:25:31:990 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==>  Preparing: select condition_id conditionId, condition_name conditionName, operator_type "operator", condition_value conditionValue from condition where parent_id = ?
  2026-02-28 02:25:31:991 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:991 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : ==> Parameters: 90258a1398db4f47a646718a158217df(String)
  2026-02-28 02:25:31:991 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:991 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.C.selectConditionList         [137] : <==      Total: 1
  2026-02-28 02:25:31:992 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:993 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:993 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==>  Preparing: select fulfillment_info_id fulfillmentId, fulfillment_info_status fulfillmentStatus, not_fulfilled_state notFulfilledState, not_fulfilled_reason notFulfilledReason, achieve_value achieveValue from fulfillment_info where fulfillment_info_id = ?
  2026-02-28 02:25:31:993 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : ==> Parameters: 4b937846268e4afca85edb9cf33c62d7(String)
  2026-02-28 02:25:31:993 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:994 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.F.selectFulfillmentInfo       [137] : <==      Total: 0
  2026-02-28 02:25:31:995  INFO 2281 --- [hread_Excutor-2] o.o.u.i.s.i.FulfillmentInfoServiceImpl  [84] : FulfillmentInfo is null, parentId = 4b937846268e4afca85edb9cf33c62d7
  2026-02-28 02:25:31:996 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:996 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:996  INFO 2281 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [113] : Start to update the intent configuration policy, cllId: cll-9000000767048519, originalBW： 1000, closedLooopStatus：true
  2026-02-28 02:25:31:997 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:31:997 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:000 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:000 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:001 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:001 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:002 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:003 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:003 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:004 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:004 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:005 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:006 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:007 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:008 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:008 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:010 ERROR 2281 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [223] : Exception in undeploy and remove policy
  java.net.UnknownHostException: msb-iag.onap
  	at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801)
  	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1519)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1377)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
  	at okhttp3.Dns$Companion$DnsSystem.lookup(Dns.kt:49)
  	at okhttp3.internal.connection.RouteSelector.resetNextInetSocketAddress(RouteSelector.kt:164)
  	at okhttp3.internal.connection.RouteSelector.nextProxy(RouteSelector.kt:129)
  	at okhttp3.internal.connection.RouteSelector.next(RouteSelector.kt:71)
  	at okhttp3.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.kt:205)
  	at okhttp3.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.kt:106)
  	at okhttp3.internal.connection.ExchangeFinder.find(ExchangeFinder.kt:74)
  	at okhttp3.internal.connection.RealCall.initExchange$okhttp(RealCall.kt:255)
  	at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:32)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:95)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:201)
  	at okhttp3.internal.connection.RealCall.execute(RealCall.kt:154)
  	at retrofit2.OkHttpCall.execute(OkHttpCall.java:188)
  	at org.onap.usecaseui.intentanalysis.adapters.policy.impl.PolicyServiceImpl.undeployAndRemovePolicyIfExist(PolicyServiceImpl.java:204)
  	at org.onap.usecaseui.intentanalysis.adapters.policy.impl.PolicyServiceImpl.updateIntentConfigPolicy(PolicyServiceImpl.java:117)
  	at org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule.CLLAssuranceActuationModule.lambda$directOperation$0(CLLAssuranceActuationModule.java:55)
  	at java.base/java.util.Collections$SingletonList.forEach(Collections.java:4966)
  	at org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule.CLLAssuranceActuationModule.directOperation(CLLAssuranceActuationModule.java:51)
  	at org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule.CLLAssuranceActuationModule.fulfillIntent(CLLAssuranceActuationModule.java:66)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:56)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:29)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  2026-02-28 02:25:32:010 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:010 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:011  WARN 2281 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [121] : Undeploy and remove the intent configuration policy failed.
  2026-02-28 02:25:32:011  INFO 2281 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [144] : Create policy type, request body: {
    "tosca_definitions_version": "tosca_simple_yaml_1_1_0",
    "policy_types": {
      "onap.policies.monitoring.docker.slicems.app": {
        "version": "1.0.0",
        "description": "son handler policy type",
        "derived_from": "onap.policies.Monitoring:1.0.0",
  	    "description": "Runtime Configuration of Slice MS",
        "properties": {
          "cllId": {
            "type": "string",
            "required": true,
            "description": "cll id"
          },
  		 "closedLoopStatus": {
            "type": "string",
            "required": true,
            "description": "whether provide closed loop assurance for one cll"
          },
          "originalBw": {
            "type": "string",
            "required": true,
            "description": "original bw of one cll"
          }
        }
      }
    }
  }
  2026-02-28 02:25:32:012 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:012 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:012 ERROR 2281 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [188] : Exception in create and deploy intent config policy.
  java.net.UnknownHostException: msb-iag.onap
  	at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801)
  	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1519)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1377)
  	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
  	at okhttp3.Dns$Companion$DnsSystem.lookup(Dns.kt:49)
  	at okhttp3.internal.connection.RouteSelector.resetNextInetSocketAddress(RouteSelector.kt:164)
  	at okhttp3.internal.connection.RouteSelector.nextProxy(RouteSelector.kt:129)
  	at okhttp3.internal.connection.RouteSelector.next(RouteSelector.kt:71)
  	at okhttp3.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.kt:205)
  	at okhttp3.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.kt:106)
  	at okhttp3.internal.connection.ExchangeFinder.find(ExchangeFinder.kt:74)
  	at okhttp3.internal.connection.RealCall.initExchange$okhttp(RealCall.kt:255)
  	at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:32)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:95)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76)
  	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
  	at okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:201)
  	at okhttp3.internal.connection.RealCall.execute(RealCall.kt:154)
  	at retrofit2.OkHttpCall.execute(OkHttpCall.java:188)
  	at org.onap.usecaseui.intentanalysis.adapters.policy.impl.PolicyServiceImpl.createAndDeployIntentConfigPolicy(PolicyServiceImpl.java:147)
  	at org.onap.usecaseui.intentanalysis.adapters.policy.impl.PolicyServiceImpl.updateIntentConfigPolicy(PolicyServiceImpl.java:123)
  	at org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule.CLLAssuranceActuationModule.lambda$directOperation$0(CLLAssuranceActuationModule.java:55)
  	at java.base/java.util.Collections$SingletonList.forEach(Collections.java:4966)
  	at org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule.CLLAssuranceActuationModule.directOperation(CLLAssuranceActuationModule.java:51)
  	at org.onap.usecaseui.intentanalysis.cllassuranceIntentmgt.cllassurancemodule.CLLAssuranceActuationModule.fulfillIntent(CLLAssuranceActuationModule.java:66)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:56)
  	at org.onap.usecaseui.intentanalysis.Thread.CreateCallable.call(CreateCallable.java:29)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
  	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  2026-02-28 02:25:32:013 ERROR 2281 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [125] : Create and deploy the intent configuration policy failed.
  2026-02-28 02:25:32:013 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:013 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:014  INFO 2281 --- [hread_Excutor-2] o.o.u.i.a.policy.impl.PolicyServiceImpl [127] : update intent configuration finished, result: false
  2026-02-28 02:25:32:015 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:015 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:015 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.I.insertIntentRecord          [137] : ==>  Preparing: insert into intent_event_record(intent_id, intent_name, intent_status, operate_type, parent_id) values(?, ?, ?, ?, ?)
  2026-02-28 02:25:32:016 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:017 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.I.insertIntentRecord          [137] : ==> Parameters: 16c4ffecfe154ee894dc29bda333115a(String), CLL Assurance Intent(String), success(String), CREATE(String), a50846be4e324abb8f4596bfb1a4b09d(String)
  2026-02-28 02:25:32:017 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:017 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:018 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:019 DEBUG 2281 --- [hread_Excutor-2] o.o.u.i.m.I.insertIntentRecord          [137] : <==    Updates: 1
  2026-02-28 02:25:32:019  INFO 2281 --- [hread_Excutor-2] o.o.u.i.Thread.CreateCallable           [63] : CLL Assurance Intent Intent operate finished
  2026-02-28 02:25:32:019 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:020 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:021 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:021 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:022 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:022 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:023 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:023 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:024 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:024 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:025 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:025 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:026 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:026 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:027 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:028 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:029 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:029 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:030 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:030 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:031 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:031 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:032 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:032 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:033 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:033 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:034 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:034 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:035 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:035 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:036 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:037 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:038 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:038 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:039 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:039 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:040 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:040 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:041 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:042 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:042 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:043 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:044 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:044 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:045 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:045 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:046 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:046 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:048 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:048 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:049 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:049 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:050 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:050 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:051 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:051 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:053 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:053 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:054 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:054 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:055 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:055 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:056 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:057 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:057 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:058 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:058 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:063 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:063 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:076 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:076 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:077 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:077 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:078 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:078 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:079 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:080 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:080 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:081 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:081 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:083 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:083 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:084 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:084 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:085 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:085 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:086 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:086 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:088 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:088 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:089 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:089 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:090 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:090 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:091 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:091 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:092 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:092 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:093 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:093 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:097 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:097 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:098 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:098 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:100 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:100 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:101 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:101 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:102 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:102 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:104 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:104 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:105 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:105 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:106 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:106 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:108 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:108 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:109 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:109 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:110 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:110 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:111 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:111 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:113 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:113 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:114 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:114 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:115 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:115 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:116 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:116 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:117 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:117 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:119 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:119 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:120 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:120 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:121 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:121 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:122 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:122 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:123 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:123 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:124 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:124 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:125 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:126 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:137 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:137 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:139 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:139 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:140 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:140 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:142 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:142 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:144 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:144 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:146 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:146 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:147 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:147 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:148 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:148 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:149 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:150 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:151 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:151 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:152 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:152 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:153 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:153 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:154 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:154 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:155 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:155 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:156 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:156 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:157 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:157 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:158 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:158 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:159 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:159 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:160 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:161 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:162 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:162 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:163 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:163 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:164 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:164 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:165 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:165 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:166 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:166 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:167 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:167 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:168 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:168 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:169 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:170 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:171 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:171 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:172 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:172 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:173 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:173 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:174 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:174 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:175 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:175 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:176 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:176 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:177 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:177 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:178 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:179 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:180 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:180 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:181 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:181 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:182 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:182 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:183 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:183 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:184 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:184 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:185 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:185 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:186 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:186 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:187 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:187 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:188 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:188 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:189 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:190 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:191 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:191 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:192 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:192 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:193 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:193 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:194 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:195 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:195 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:196 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:196 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:197 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:197 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:199 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:199 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:200 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:200 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:201 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:201 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:202 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:202 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:203 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:203 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:204 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:205 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:206 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:206 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:207 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:207 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:208 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:208 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:209 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:209 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:210 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:210 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:211 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:211 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:213 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:213 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:214 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:214 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:215 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:215 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:216 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:216 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:217 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:217 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:218 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:218 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:219 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:219 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:221 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:221 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:222 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:222 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:223 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:223 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:224 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:224 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:225 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:225 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:226 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:226 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:227 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:227 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:228 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:228 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:229 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:230 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:231 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:231 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:232 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:232 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:233 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:233 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:234 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:234 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:235 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:235 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:236 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:236 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:237 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:237 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:238 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:238 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:239 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:239 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:241 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:241 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:242 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:242 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:243 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:243 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:244 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:244 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:246 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:246 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:247 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:247 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:248 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:248 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:249 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:249 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:250 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:250 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:251 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:251 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:253 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:253 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:254 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:254 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:255 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:255 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:256 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:256 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:257 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:257 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:258 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:258 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:259 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:259 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:260 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:260 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:261 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:261 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:262 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:262 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:264 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:264 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:265 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:265 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:266 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:266 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:267 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:267 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:268 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:268 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:269 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:269 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:270 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:270 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:271 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:271 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:273 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:273 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:274 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:274 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:275 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:275 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:276 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:276 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:278 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:278 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:279 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:279 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:280 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:280 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:281 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:281 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:282 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:283 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:284 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:284 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:285 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:285 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:286 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:286 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:287 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:287 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:288 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:288 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:289 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:289 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:290 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:290 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:291 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:291 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:292 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:293 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:294 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:294 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:295 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:295 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:296 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:296 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:297 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:297 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:298 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:299 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:299 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:300 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:301 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:301 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:302 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:302 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:303 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:303 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:304 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:304 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:305 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:305 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:306 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:306 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:308 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:308 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:309 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:309 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:310 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:310 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:311 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:311 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:312 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:312 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:313 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:313 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:315 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:315 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:323 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:323 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:324 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:324 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:325 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:326 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:327 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:327 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:328 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:328 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:329 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:329 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:330 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:330 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:331 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:331 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:333 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:333 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:334 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:334 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:336 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:336 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:337 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:337 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:338 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:338 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:339 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:339 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:340 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:340 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:341 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:341 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:342 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:342 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:344 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:344 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:345 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:345 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:346 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:346 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:347 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:347 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:348 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:348 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:349 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:349 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:350 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:350 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:351 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:352 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:352 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:352 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:354 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:354 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:355 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:355 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:356 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:356 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:357 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:357 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:358 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:358 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:359 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:359 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:360 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:360 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:361 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:362 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:363 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:363 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:364 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:364 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:365 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:365 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:366 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:366 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:367 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:367 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:368 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:368 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:369 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:369 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:370 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:371 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:371 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:372 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:372 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:373 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:374 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:374 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:375 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:375 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:376 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:376 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:377 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:377 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:378 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:378 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:379 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:379 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:380 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:380 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:381 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:382 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:383 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:383 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:384 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:384 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:385 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:385 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:386 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:386 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:387 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:387 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:388 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:388 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:389 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:389 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:390 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:390 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:392 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:392 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:393 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:393 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:394 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:394 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:396 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:396 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:398 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:398 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:400 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:400 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:401 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:401 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:403 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:403 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:408 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:409 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:410 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:411 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:412 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:412 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:413 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:414 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:415 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:415 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:416 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:417 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:417 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:418 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:419 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:419 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:420 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:420 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:421 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:421 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:422 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:422 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:431 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:432 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:433 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:433 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:435 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:435 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:436 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:436 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:437 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:437 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:438 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:438 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:439 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:439 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:440 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:440 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:441 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:441 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:442 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:442 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:443 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:443 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:444 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:444 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:445 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:445 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:446 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:447 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:447 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:448 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:448 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:449 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:449 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:450 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:450 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:451 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:452 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:452 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:453 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:453 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:454 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:454 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:455 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:455 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:456 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:456 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:457 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:457 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:458 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:458 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:459 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:459 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:460 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:461 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:461 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:462 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:462 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:463 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:463 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:464 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:464 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:465 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:466 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:466 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:467 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:467 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:468 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:468 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:469 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:469 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:470 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:470 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:471 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:472 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:488 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:488 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:489 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:490 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:490 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:491 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:491 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:492 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:492 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:493 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:493 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:494 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:494 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:496 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:496 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:497 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:497 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:498 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:498 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:499 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:499 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:500 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:500 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:501 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:501 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:502 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:502 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:503 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:503 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:504 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:504 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:506 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:506 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:510 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:510 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:511 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:511 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:512 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:513 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:514 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:514 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:515 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:515 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:516 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:516 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:517 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:517 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:518 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:518 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:519 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:519 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:520 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:520 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:521 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:521 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:522 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:522 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:523 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:523 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:524 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:524 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:525 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:525 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:530 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:530 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:531 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:532 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:532 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:533 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:533 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:534 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:534 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:535 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:535 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:536 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:536 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:537 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:537 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:539 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:539 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:540 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:540 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:541 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:541 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:542 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:542 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:543 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:543 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:544 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:544 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:545 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:545 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:546 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:546 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:547 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:547 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:548 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:548 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:549 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:549 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:550 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:551 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:551 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:552 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:552 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:553 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:553 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:554 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:555 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:555 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:556 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:556 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:557 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:558 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:558 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:559 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:559 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:560 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:560 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:561 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:561 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:562 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:562 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:563 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:563 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:564 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:564 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:565 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:565 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:566 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:566 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:567 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:568 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:568 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:569 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:569 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:570 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:570 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:571 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:571 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:572 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:572 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:573 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:573 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:574 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:574 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:575 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:575 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:576 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:576 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:577 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:577 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:578 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:578 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:579 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:579 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:580 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:581 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:581 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:582 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:582 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:583 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:583 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:584 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:584 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:585 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:585 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:586 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:586 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:587 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:587 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:588 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:588 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:589 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:589 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:590 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:590 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:591 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:592 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:592 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:593 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:593 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:594 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:594 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:595 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:595 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:596 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:596 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:597 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:597 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:598 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:598 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:599 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:599 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:600 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:600 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:601 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:601 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:602 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:603 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:603 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:604 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:604 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:605 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:605 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:606 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:606 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:607 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:608 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:608 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:609 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:609 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:610 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:610 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:611 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:611 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:612 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:612 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:613 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:613 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:614 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:614 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:615 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:615 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:616 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:617 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:617 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:618 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:618 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:619 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:619 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:620 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:620 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:621 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:621 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:622 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:623 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:623 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:624 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:624 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:625 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:625 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:626 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:626 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:627 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:627 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:628 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:628 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:629 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:629 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:630 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:630 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:631 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:631 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:632 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:632 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:633 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:634 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:634 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:635 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:635 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:636 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:636 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:637 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:638 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:638 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:639 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:639 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:640 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:640 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:641 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:641 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:642 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:642 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:643 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:643 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:644 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:644 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:645 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:645 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:646 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:646 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:647 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:647 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:648 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:649 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:649 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:650 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:650 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:651 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:651 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:652 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:652 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:653 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:653 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:654 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:655 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:655 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:656 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:656 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:657 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:657 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:658 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:658 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:659 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:659 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:660 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:660 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:661 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:661 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:662 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:662 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:663 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:663 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:664 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:664 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:665 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:665 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:666 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:666 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:667 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:667 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:668 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:668 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:669 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:669 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:670 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:670 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:671 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:672 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:672 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:673 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:674 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:674 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:675 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:675 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:676 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:677 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:677 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:678 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:678 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:679 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:679 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:680 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:680 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:681 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:681 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:682 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:682 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:683 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:683 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:684 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:684 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:685 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:685 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:686 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:686 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:687 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:687 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:688 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:688 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:689 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:689 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:690 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:690 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:691 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:691 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:692 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:693 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:693 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:694 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:694 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:695 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:695 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:696 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:696 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:697 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:697 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:698 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:698 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:699 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:699 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:700 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:700 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:701 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:701 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:702 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:703 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:703 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:704 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:704 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:705 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:705 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:706 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:706 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:707 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:707 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:708 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:708 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:709 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:709 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:710 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:710 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:711 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:711 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:712 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:712 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:713 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:713 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:714 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:714 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:715 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:715 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:716 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:716 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:717 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:717 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:718 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:718 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:719 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:720 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:720 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:721 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:721 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:722 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:722 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:723 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:723 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:724 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:724 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:725 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:725 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:726 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:726 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:727 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:727 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:728 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:728 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:729 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:729 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:730 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:730 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:731 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:731 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:732 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:732 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:733 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:733 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:734 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:735 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:735 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:736 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:736 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:737 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:737 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:738 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:738 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:739 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:739 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:740 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:740 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:741 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:741 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:742 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:742 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:743 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:744 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:744 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:745 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:745 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:746 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:746 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:747 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:747 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:749 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:749 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:750 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:750 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:751 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:751 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:752 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:752 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:753 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:753 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:754 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:754 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:755 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:755 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:756 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:756 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:757 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:757 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:758 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:758 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:759 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:759 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:760 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:761 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:761 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:762 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:763 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:763 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:763 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:764 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:765 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:765 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:766 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:766 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:767 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:767 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:768 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:768 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:769 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:769 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:770 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:770 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:771 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:771 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:772 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:772 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:773 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:773 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:774 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:774 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:775 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:775 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:776 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:776 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:777 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:777 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:778 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:778 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:779 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:779 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:780 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:780 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:781 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:781 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:782 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:783 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:785 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:786 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:787 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:788 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:788 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:789 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:789 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:790 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:790 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:791 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:791 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:792 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:792 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:793 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:793 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:794 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:795 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:795 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:796 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:796 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:797 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:797 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:798 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:798 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:799 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:799 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:800 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:800 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:801 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:801 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:802 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:802 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:803 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:803 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:804 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:805 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:805 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:806 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:806 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:807 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:807 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:808 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:808 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:809 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:809 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:810 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:810 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:811 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:811 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:812 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:812 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:813 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:813 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:814 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:814 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:815 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:816 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:816 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:817 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:817 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:818 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:818 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:819 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:819 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:820 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:820 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:821 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:821 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:822 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:822 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:823 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:823 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:824 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:824 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:825 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:825 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:826 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:826 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:827 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:827 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:828 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:828 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:829 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:829 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:830 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:830 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:831 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:831 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:832 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:832 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:833 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:833 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:834 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:834 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:835 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:835 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:836 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:836 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:837 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:837 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:838 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:838 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:839 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:839 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:840 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:840 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:841 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:841 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:842 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:842 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:843 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:843 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:844 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:844 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:845 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:845 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:846 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:846 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:847 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:847 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:848 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:848 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:849 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:849 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:850 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:850 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:851 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:851 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:852 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:852 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:852 DEBUG 2281 --- [           main] .i.c.CLLBusinessIntentManagementFunction[184] : Try to get record of intent CREATE event from DB.
  2026-02-28 02:25:32:853 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==>  Preparing: select id id, intent_id intentId, intent_name intentName, intent_status intentStatus, operate_type operateType from intent_event_record where intent_id = ? and operate_type=?;
  2026-02-28 02:25:32:853 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : ==> Parameters: 16c4ffecfe154ee894dc29bda333115a(String), CREATE(String)
  2026-02-28 02:25:32:853 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:855 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:855 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:854 DEBUG 2281 --- [           main] o.u.i.m.I.getIntentEventRecordByIntentId[137] : <==      Total: 1
  2026-02-28 02:25:32:855 DEBUG 2281 --- [           main] .i.c.CLLBusinessIntentManagementFunction[189] : Successfully got Intent Event Record from DB.
  2026-02-28 02:25:32:856 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:856 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:857 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:857 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:858 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:858 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:859 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:859 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:860 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:860 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:861 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:861 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:862 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:862 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:863 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:863 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:864 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:865 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:865 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:866 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:866 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:867 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:867 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:868 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:868 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:869 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:869 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:870 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:870 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:871 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:872 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:872 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:873 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:873 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:874 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:874 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:875 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:875 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:876 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:876 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:877 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:877 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:878 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:878 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:879 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:879 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:880 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:880 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:881 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:881 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:882 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:883 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:883 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:884 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:884 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:885 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:885 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:885 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:886 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:887 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:888 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:888 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:889 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:889 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:890 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:890 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:891 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:891 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:892 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:892 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:893 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:893 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:894 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:895 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:895 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:896 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:896 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:897 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:897 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:898 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:898 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:899 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:899 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:900 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:900 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:901 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:901 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:902 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:902 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:903 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:903 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:904 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:904 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:905 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:906 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:906 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:907 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:907 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:908 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:908 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:909 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:909 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:910 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:910 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:911 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:911 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:912 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:912 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:913 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:913 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:914 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:914 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:915 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:915 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:916 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:917 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:917 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:918 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:918 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:924 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:925 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:927 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:927 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:928 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:928 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:929 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:929 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:930 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:930 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:931 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:931 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:932 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:932 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:933 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:933 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:934 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:934 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:935 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:935 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:936 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:937 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:937 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:937 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:938 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:939 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:939 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:939 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:940 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:940 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:941 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:942 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:942 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:943 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:943 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:944 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:944 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:945 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:945 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:946 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:946 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:947 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:947 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:948 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:948 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:949 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:949 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:950 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:950 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:951 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:951 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:952 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:952 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:953 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:953 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:954 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:954 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:955 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:955 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:956 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:956 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:957 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:957 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:958 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:958 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:959 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:959 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:960 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:960 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:961 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:961 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:962 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:962 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:963 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:964 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:964 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:965 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:965 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:966 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:966 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:967 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:967 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:968 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:968 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:969 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:969 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:970 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:970 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:971 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:971 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:972 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:972 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:973 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:973 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:974 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:974 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:975 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:976 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:976 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:977 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:977 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:978 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:978 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:979 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:979 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:980 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:980 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:981 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:982 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:982 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:982 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:983 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:984 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:984 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:984 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:985 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:985 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:986 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:987 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:987 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:988 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:988 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:989 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:989 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:990 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:990 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:991 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:991 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:992 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:992 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:993 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:993 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:994 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:994 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:995 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:995 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:996 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:996 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:997 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:997 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:998 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:998 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:999 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:32:999 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:000 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:000 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:001 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:001 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:002 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:002 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:003 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:003 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:004 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:004 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:005 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:005 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:006 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:006 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:007 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:007 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:008 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:008 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:009 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:009 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:010 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:011 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:011 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:011 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:012 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:013 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:013 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:013 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:014 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:015 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:015 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:016 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:016 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:017 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:017 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:017 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:018 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:019 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:019 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:020 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:020 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:021 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:021 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:022 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:022 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:023 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:023 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:024 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:024 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:025 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:025 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:026 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:026 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:027 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:027 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:028 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:028 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:029 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:029 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:030 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:030 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:031 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:031 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:032 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:032 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:033 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:033 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:034 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:034 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:035 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:035 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:036 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:036 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:037 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:037 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:038 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:038 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:039 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:039 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:040 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:040 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:041 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:041 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:042 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:042 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:043 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:043 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:044 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:044 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:045 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:045 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:046 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:046 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:047 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:047 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:048 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:048 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:049 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:049 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:050 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:050 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:051 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:051 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:052 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:052 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:053 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:053 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:054 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:054 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:055 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:055 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:056 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:056 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:057 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:057 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:058 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:058 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:059 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:059 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:060 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:060 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:061 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:061 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:062 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:062 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:063 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:064 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:064 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:065 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:065 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:066 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:066 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:067 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:067 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:068 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:068 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:069 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:069 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:070 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:070 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:071 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:071 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:072 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:072 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:073 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:073 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:074 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:074 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:075 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:075 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:076 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:076 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:077 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:077 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:078 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:078 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:079 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:079 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:080 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:080 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:081 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:081 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:082 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:082 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:083 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:083 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:084 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:084 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:085 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:085 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:086 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:086 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:087 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:087 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:088 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:088 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:089 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:089 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:090 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:090 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:091 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:091 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:092 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:092 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:093 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:093 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:094 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:094 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:095 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:095 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:096 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:096 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:097 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:097 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:098 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:098 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:099 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:099 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:100 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:100 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:101 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:101 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:102 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:102 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:103 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:103 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:104 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:104 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:105 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:106 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:106 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:106 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:107 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:107 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:108 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:108 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:109 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:109 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:110 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:110 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:111 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:111 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:112 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:112 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:113 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:113 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:114 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:114 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:115 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:116 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:116 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:117 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:117 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:118 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:118 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:118 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:119 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:120 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:120 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:121 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:121 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:122 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:122 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:123 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:123 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:124 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:124 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:125 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:125 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:126 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:126 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:127 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:127 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:128 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:128 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:129 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:129 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:130 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:130 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:131 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:131 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:132 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:133 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:133 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:134 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:134 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:135 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:135 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:136 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:136 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:137 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:137 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:138 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:138 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:139 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:139 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:140 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:140 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:141 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:141 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:142 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:142 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:143 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:143 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:144 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:144 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:145 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:145 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:146 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:146 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:147 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:147 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:148 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:148 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:149 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:149 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:150 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:150 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:151 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:151 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:152 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:152 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:153 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:153 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:154 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:154 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:155 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:155 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:156 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:156 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:157 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:157 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:158 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:158 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:159 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:159 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:160 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:160 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:161 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:161 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:162 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:162 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:163 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:163 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:164 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:164 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:165 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:165 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:166 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:166 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:167 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:167 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:168 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:168 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:169 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:169 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:170 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:170 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:171 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:171 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:172 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:172 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:173 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:173 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:174 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:174 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:175 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:175 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:176 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:176 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:177 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:177 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:178 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:179 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:179 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:180 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:180 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:181 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:181 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:182 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:182 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:183 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:183 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:184 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:184 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:185 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:185 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:186 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:186 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:187 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:187 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:188 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:188 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:189 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:189 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:190 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:190 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:191 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:192 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:192 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:193 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:193 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:194 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:194 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:195 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:195 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:196 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:196 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:197 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:197 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:198 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:198 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:199 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:199 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:200 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:200 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:201 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:201 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:202 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:202 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:203 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:204 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:204 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:205 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:205 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:206 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:206 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:207 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:207 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:208 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:208 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:209 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:209 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:210 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:210 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:211 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:211 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:212 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:212 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:213 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:213 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:214 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:214 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:215 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:216 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:216 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:217 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:217 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:218 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:218 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:219 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:219 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:220 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:220 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:221 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:221 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:222 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:223 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:223 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:224 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:224 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:225 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:225 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:226 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:226 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:227 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:227 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:228 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:228 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:229 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:229 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:230 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:230 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:231 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:232 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:232 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:233 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:233 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:234 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:234 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:235 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:235 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:236 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:236 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:237 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:237 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:238 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:238 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:239 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:239 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:240 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:240 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:241 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:241 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:242 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:242 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:243 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:243 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:244 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:244 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:245 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:245 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:246 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:246 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:247 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:247 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:248 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:248 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:249 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:249 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:250 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:250 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:251 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:251 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:252 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:252 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:253 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:253 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:254 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:254 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:255 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:255 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:256 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:256 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:257 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:257 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:258 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:258 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:259 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:259 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:260 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:260 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:261 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:261 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:262 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:262 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:263 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:263 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:264 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:264 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:265 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:265 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:266 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:266 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:267 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:267 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:268 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:268 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:269 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:269 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:270 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:270 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:271 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:271 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:272 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:272 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:273 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:273 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:274 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:274 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:275 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:275 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:276 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:276 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:277 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:277 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:278 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:278 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:279 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:279 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:280 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:280 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:281 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:281 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:282 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:282 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:283 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:283 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:284 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:284 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:285 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:285 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:286 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:286 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:287 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:287 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:288 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:288 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:289 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:289 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:290 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:290 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:291 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:291 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:292 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:292 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:293 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:293 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:294 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:294 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:295 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:295 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:296 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:296 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:297 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:297 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:298 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:298 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:299 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:299 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:300 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:300 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:301 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:301 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:302 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:302 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:303 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:303 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:304 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:304 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:305 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:305 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:306 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:306 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:307 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:307 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:308 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:308 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:309 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:309 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:310 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:310 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:311 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:311 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:312 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:312 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:313 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:313 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:314 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:314 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:315 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:315 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:316 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:316 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:317 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:317 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:318 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:318 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:319 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:319 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:320 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:320 ERROR 2281 --- [pool-4-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at reactor.core.Exceptions.propagate(Exceptions.java:408)
  	at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:101)
  	at reactor.core.publisher.Mono.block(Mono.java:1712)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor$MRConsumerWrapper.fetch(MRTopicMonitor.java:223)
  	at org.onap.usecaseui.intentanalysis.adapters.dmaap.MRTopicMonitor.run(MRTopicMonitor.java:103)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  	at java.base/java.lang.Thread.run(Thread.java:833)
  	Suppressed: java.lang.Exception: #block terminated with an error
  		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:103)
  		... 6 common frames omitted
  Caused by: java.net.UnknownHostException: Failed to resolve 'message-router' [A(1)] after 2 queries 
  	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1097)
  	at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:1044)
  	at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:432)
  	at io.netty.resolver.dns.DnsResolveContext.onResponse(DnsResolveContext.java:662)
  	at io.netty.resolver.dns.DnsResolveContext.access$500(DnsResolveContext.java:66)
  	at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:489)
  	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:590)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:583)
  	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:559)
  	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:492)
  	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:636)
  	at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:625)
  	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:105)
  	at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:317)
  	at io.netty.resolver.dns.DnsQueryContext.finishSuccess(DnsQueryContext.java:309)
  	at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1392)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
  	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
  	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
  	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
  	at io.netty.channel.epoll.EpollDatagramChannel.processPacket(EpollDatagramChannel.java:662)
  	at io.netty.channel.epoll.EpollDatagramChannel.recvmsg(EpollDatagramChannel.java:697)
  	at io.netty.channel.epoll.EpollDatagramChannel.access$300(EpollDatagramChannel.java:56)
  	at io.netty.channel.epoll.EpollDatagramChannel$EpollDatagramChannelUnsafe.epollInReady(EpollDatagramChannel.java:536)
  	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:425)
  	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
  	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
  	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
  	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:413)
  	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
  	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
  	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
  	... 1 common frames omitted
  2026-02-28 02:25:33:321 ERROR 2281 --- [pool-5-thread-1] o.o.u.i.adapters.dmaap.MRTopicMonitor   [109] : fetchMessage encountered error: {}
  reactor.core.Exceptions$ReactiveException: java.net.UnknownHostException: Failed to resolve '
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